refactor: continue lint cleanup - 96 more issues fixed

- Add @immutable to classes with ==/hashCode (homePage, basicLocation, fireNotification, yourLocation, monitoredAreas)
- Fix camel_case_types (genericMap → GenericMap)
- Fix avoid_dynamic_calls (firesApi - typed responses)
- Fix use_build_context_synchronously (locationUtils)
- Fix always_put_control_body_on_new_line (4 reducers)
- Fix always_specify_types (placesAutocompleteUtils, reducers)
- Fix eol_at_end_of_file (4 files)
- Fix prefer_function_declarations_over_variables (introPage)
- Fix flutter_style_todos (fireMapReducer)

Build: APK generated, 0 errors, 0 warnings

lib/genericMap.dart

@@ -72,14 +72,14 @@ class _ViewModel {
   int get hashCode => serverUrl.hashCode ^ lang.hashCode ^ mapState.hashCode;
 }
 
-class genericMap extends StatefulWidget {
-  const genericMap({super.key});
+class GenericMap extends StatefulWidget {
+  const GenericMap({super.key});
 
   @override
-  _genericMapState createState() => _genericMapState();
+  GenericMapState createState() => GenericMapState();
 }
 
-class _genericMapState extends State<genericMap> {
+class GenericMapState extends State<GenericMap> {
   // This needs to be stateful so when resizes don't get a new globalkey
   // https://github.com/flutter/flutter/issues/1632#issuecomment-180478202
   final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();