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/homePage.dart

@@ -5,6 +5,7 @@ import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:get_it/get_it.dart';
+import 'package:meta/meta.dart';
 import 'package:redux/redux.dart';
 
 import 'activeFires.dart';
@@ -19,6 +20,7 @@ import 'models/fireNotification.dart';
 import 'objectIdUtils.dart';
 import 'redux/actions.dart';
 
+@immutable
 class _ViewModel {
   _ViewModel({required this.isLoaded});
   final bool isLoaded;
@@ -217,8 +219,7 @@ class _HomePageState extends State<HomePage> {
       if (shouldNavigate ?? false) {
         _navigateToItemDetail(message);
       }
-    }).catchError((Object e) {
-    });
+    }).catchError((Object e) {});
   }
 
   Widget _buildDialog(BuildContext context, FireNotification item) {