diff --git a/.flutter-plugins b/.flutter-plugins
new file mode 100644
index 0000000..e4a9e1c
--- /dev/null
+++ b/.flutter-plugins
@@ -0,0 +1 @@
+shared_preferences=/home/vjrj/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-0.4.2/
diff --git a/.idea/libraries/Dart_Packages.xml b/.idea/libraries/Dart_Packages.xml
new file mode 100644
index 0000000..ed7c6e1
--- /dev/null
+++ b/.idea/libraries/Dart_Packages.xml
@@ -0,0 +1,436 @@
+<component name="libraryTable">
+  <library name="Dart Packages" type="DartPackagesLibraryType">
+    <properties>
+      <option name="packageNameToDirsMap">
+        <entry key="analyzer">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/analyzer-0.31.2-alpha.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="args">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/args-1.4.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="async">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/async-2.0.7/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="boolean_selector">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="charcode">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="collection">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/collection-1.14.6/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="convert">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/convert-2.0.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="crypto">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/crypto-2.0.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="csslib">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/csslib-0.14.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="flutter">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/packages/flutter/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="flutter_test">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/packages/flutter_test/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="front_end">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/front_end-0.1.0-alpha.12/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="glob">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/glob-1.1.5/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="html">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/html-0.13.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="http">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+16/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="http_multi_server">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="http_parser">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/http_parser-3.1.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="io">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/io-0.3.2+1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="js">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/js-0.6.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="kernel">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/kernel-0.3.0-alpha.12/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="logging">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/logging-0.11.3+1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="matcher">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.2+1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="meta">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/meta-1.1.5/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="mime">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/mime-0.9.6/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="multi_server_socket">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/multi_server_socket-1.0.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="node_preamble">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/node_preamble-1.4.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="package_config">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="package_resolver">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/package_resolver-1.0.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="path">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/path-1.5.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="plugin">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="pool">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/pool-1.3.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="pub_semver">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/pub_semver-1.4.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="quiver">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/quiver-0.29.0+1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="shared_preferences">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-0.4.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="shelf">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf-0.7.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="shelf_packages_handler">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_packages_handler-1.0.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="shelf_static">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_static-0.2.7/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="shelf_web_socket">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="sky_engine">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/bin/cache/pkg/sky_engine/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="source_map_stack_trace">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/source_map_stack_trace-1.1.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="source_maps">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/source_maps-0.10.5/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="source_span">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.4.0/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="stack_trace">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="stream_channel">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.6/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="string_scanner">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="term_glyph">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.0.0/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="test">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/test-0.12.37/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="typed_data">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.5/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="utf">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/utf-0.9.0+4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="vector_math">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.6/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="watcher">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/watcher-0.9.7+7/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="web_socket_channel">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.7/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="yaml">
+          <value>
+            <list>
+              <option value="$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.13/lib" />
+            </list>
+          </value>
+        </entry>
+      </option>
+    </properties>
+    <CLASSES>
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/analyzer-0.31.2-alpha.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/args-1.4.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/async-2.0.7/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/collection-1.14.6/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/convert-2.0.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/crypto-2.0.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/csslib-0.14.4/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/front_end-0.1.0-alpha.12/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/glob-1.1.5/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/html-0.13.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+16/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.4/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/http_parser-3.1.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/io-0.3.2+1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/js-0.6.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/kernel-0.3.0-alpha.12/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/logging-0.11.3+1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.2+1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/meta-1.1.5/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/mime-0.9.6/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/multi_server_socket-1.0.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/node_preamble-1.4.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/package_resolver-1.0.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/path-1.5.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/pool-1.3.4/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/pub_semver-1.4.1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/quiver-0.29.0+1/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-0.4.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf-0.7.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_packages_handler-1.0.3/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_static-0.2.7/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/source_map_stack_trace-1.1.4/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/source_maps-0.10.5/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.4.0/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.6/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.2/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.0.0/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/test-0.12.37/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.5/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/utf-0.9.0+4/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.6/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/watcher-0.9.7+7/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.7/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.13/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/pkg/sky_engine/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/packages/flutter/lib" />
+      <root url="file://$USER_HOME$/bin/flutter/packages/flutter_test/lib" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml
new file mode 100644
index 0000000..eccb7e7
--- /dev/null
+++ b/.idea/libraries/Dart_SDK.xml
@@ -0,0 +1,20 @@
+<component name="libraryTable">
+  <library name="Dart SDK">
+    <CLASSES>
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://$USER_HOME$/bin/flutter/bin/cache/dart-sdk/lib/typed_data" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Flutter_Plugins.xml b/.idea/libraries/Flutter_Plugins.xml
new file mode 100644
index 0000000..bf7356e
--- /dev/null
+++ b/.idea/libraries/Flutter_Plugins.xml
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="Flutter Plugins" type="FlutterPluginsLibraryType">
+    <CLASSES>
+      <root url="file://$USER_HOME$/bin/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-0.4.2" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..54ea8ed
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_9" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..3c7c5c2
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/comunes_flutter.iml" filepath="$PROJECT_DIR$/comunes_flutter.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..4db3b21
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,444 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="225303a8-c467-46b6-b061-3a0c1eea3646" name="Default" comment="" />
+    <ignored path="$PROJECT_DIR$/out/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file leaf-file-name="materialAppWithIntro.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/lib/materialAppWithIntro.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="1">
+              <caret line="7" column="41" selection-start-line="7" selection-start-column="35" selection-end-line="7" selection-end-column="41" />
+              <folding>
+                <element signature="e#0#39#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="appIntroPage.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/lib/appIntroPage.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="630">
+              <caret line="62" column="66" selection-start-line="62" selection-start-column="66" selection-end-line="62" selection-end-column="66" />
+              <folding>
+                <element signature="e#0#5330#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="234">
+              <caret line="13" column="16" lean-forward="true" selection-start-line="13" selection-start-column="16" selection-end-line="13" selection-end-column="16" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="utils.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/lib/utils/utils.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="180">
+              <caret line="10" column="82" selection-start-line="10" selection-start-column="82" selection-end-line="10" selection-end-column="82" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>leng</find>
+    </findStrings>
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/lib/appIntroPage.dart" />
+        <option value="$PROJECT_DIR$/lib/utils/utils.dart" />
+        <option value="$PROJECT_DIR$/pubspec.yaml" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="NodePackageJsonFileManager">
+    <packageJsonPaths />
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="y" value="438" />
+    <option name="width" value="1920" />
+    <option name="height" value="1020" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="PackagesPane" />
+      <pane id="AndroidView" />
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="comunes_flutter" type="b2602c69:ProjectViewProjectNode" />
+              <item name="comunes_flutter" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="comunes_flutter" type="b2602c69:ProjectViewProjectNode" />
+              <item name="comunes_flutter" type="462c0819:PsiDirectoryNode" />
+              <item name="lib" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="comunes_flutter" type="b2602c69:ProjectViewProjectNode" />
+              <item name="comunes_flutter" type="462c0819:PsiDirectoryNode" />
+              <item name="lib" type="462c0819:PsiDirectoryNode" />
+              <item name="utils" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="android.sdk.path" value="$PROJECT_DIR$/../mobile/android-sdk-linux_x86" />
+    <property name="aspect.path.notification.shown" value="true" />
+    <property name="dart.analysis.tool.window.force.activate" value="false" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="/usr/local/bin/node" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+    <property name="project.structure.last.edited" value="SDKs" />
+    <property name="project.structure.proportion" value="0.15" />
+    <property name="project.structure.side.proportion" value="0.2" />
+    <property name="settings.editor.selected.configurable" value="AndroidSdkUpdater" />
+    <property name="show.migrate.to.gradle.popup" value="false" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration default="true" type="Applet" factoryName="Applet">
+      <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
+    </configuration>
+    <configuration default="true" type="Application" factoryName="Application">
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    </configuration>
+    <configuration default="true" type="JUnit" factoryName="JUnit">
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="TEST_OBJECT" value="class" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration default="true" type="TestNG" factoryName="TestNG">
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="SUITE_NAME" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="GROUP_NAME" />
+      <option name="TEST_OBJECT" value="CLASS" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <option name="OUTPUT_DIRECTORY" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <option name="USE_DEFAULT_REPORTERS" value="false" />
+      <option name="PROPERTIES_FILE" />
+      <properties />
+      <listeners />
+    </configuration>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="225303a8-c467-46b6-b061-3a0c1eea3646" name="Default" comment="" />
+      <created>1529909723596</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1529909723596</updated>
+      <workItem from="1529909734178" duration="1529000" />
+      <workItem from="1529925059911" duration="5145000" />
+      <workItem from="1529949480513" duration="707000" />
+      <workItem from="1530004289731" duration="635000" />
+      <workItem from="1530006576730" duration="3400000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="11416000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="438" width="1920" height="1020" extended-state="6" />
+    <editor active="true" />
+    <layout>
+      <window_info anchor="right" id="Palette" order="3" />
+      <window_info anchor="bottom" id="Event Log" order="7" side_tool="true" />
+      <window_info anchor="right" id="Maven Projects" order="3" />
+      <window_info anchor="bottom" id="Database Changes" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Dart Analysis" order="7" weight="0.32996064" />
+      <window_info anchor="right" id="Flutter Outline" order="3" />
+      <window_info id="Capture Tool" order="2" />
+      <window_info id="Designer" order="2" />
+      <window_info anchor="right" id="Database" order="3" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info id="UI Designer" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info active="true" anchor="bottom" id="Messages" order="7" visible="true" weight="0.32992035" />
+      <window_info anchor="right" id="Palette&#9;" order="3" />
+      <window_info id="Image Layers" order="2" />
+      <window_info anchor="right" id="Capture Analysis" order="3" />
+      <window_info anchor="bottom" id="Version Control" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Terminal" order="7" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.14583333" />
+      <window_info anchor="right" id="Theme Preview" order="3" />
+      <window_info id="Favorites" order="2" side_tool="true" />
+      <window_info anchor="right" id="Flutter Inspector" order="3" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="right" id="Commander" order="0" weight="0.4" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="bottom" id="Find" order="1" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/lib/materialAppWithIntro.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="126">
+          <caret line="7" column="41" selection-start-line="7" selection-start-column="35" selection-end-line="7" selection-end-column="41" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="36">
+          <caret line="2" column="14" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/materialAppWithIntro.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="126">
+          <caret line="7" column="41" selection-start-line="7" selection-start-column="35" selection-end-line="7" selection-end-column="41" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="36">
+          <caret line="2" column="14" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/materialAppWithIntro.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="126">
+          <caret line="7" column="41" selection-start-line="7" selection-start-column="35" selection-end-line="7" selection-end-column="41" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="36">
+          <caret line="2" column="14" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/materialAppWithIntro.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="90">
+          <caret line="7" column="41" selection-start-line="7" selection-start-column="35" selection-end-line="7" selection-end-column="41" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/comunes_flutter.iml">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/.packages">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/materialAppWithIntro.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1">
+          <caret line="7" column="41" selection-start-line="7" selection-start-column="35" selection-end-line="7" selection-end-column="41" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/appIntroPage.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="630">
+          <caret line="62" column="66" selection-start-line="62" selection-start-column="66" selection-end-line="62" selection-end-column="66" />
+          <folding>
+            <element signature="e#0#5330#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/utils/utils.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="180">
+          <caret line="10" column="82" selection-start-line="10" selection-start-column="82" selection-end-line="10" selection-end-column="82" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="234">
+          <caret line="13" column="16" lean-forward="true" selection-start-line="13" selection-start-column="16" selection-end-line="13" selection-end-column="16" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ArtifactsStructureConfigurable.UI">
+        <settings>
+          <artifact-editor />
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="FacetStructureConfigurable.UI">
+        <settings>
+          <last-edited>No facets are configured</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="GlobalLibrariesConfigurable.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="JdkListConfigurable.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.33678162" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ModuleStructureConfigurable.UI">
+        <settings>
+          <last-edited>comunes_flutter</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>Dart SDK</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/res/values/strings_en.arb b/res/values/strings_en.arb
new file mode 100644
index 0000000..e69de29