Added fire notify and support page

lib/supportPage.dart

@@ -0,0 +1,48 @@
+import 'package:comunes_flutter/comunes_flutter.dart';
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import 'generated/i18n.dart';
+
+class SupportPage extends StatefulWidget {
+  static const String routeName = '/support';
+
+  @override
+  _SupportPageState createState() => _SupportPageState();
+}
+
+class _SupportPageState extends State<SupportPage> {
+  final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
+
+  Widget buildSupportButton() {
+    return new Align(
+      alignment: const Alignment(0.0, -0.2),
+      child: new FloatingActionButton(
+        heroTag: 'callAction',
+        child: const Icon(Icons.favorite),
+        onPressed: () {
+          launch("https://comunes.org/");
+        },
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        key: _scaffoldKey,
+        appBar:
+            new AppBar(title: new Text(S.of(context).supportThisInitiative)),
+        body: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: new CenteredColumn(children: <Widget>[
+            new Flexible(
+                child: new CenteredColumn(children: <Widget>[
+              new Text(S.of(context).supportPageDescription, textAlign: TextAlign.center,),
+              new SizedBox(height: 20.0),
+              buildSupportButton()
+            ]))
+          ]),
+        ));
+  }
+}