Fix 78 additional lint issues: rename all files to snake_case and fix 16 style issues

Lint issues fixed (263 total in lib/):
- file_names (57 issues): Renamed all PascalCase files to snake_case
  - All lib files: activeFires -> active_fires, etc.
  - All models: appState -> app_state, fireMapState -> fire_map_state, etc.
  - All redux files: appActions -> app_actions, appReducer -> app_reducer, etc.
- Updated all import statements and exports across the codebase
- Fixed unused imports, exports, and references in rebuilt modules

Style fixes (16 issues):
- prefer_generic_function_type_aliases (2): Updated typedef syntax from old to new
- unnecessary_nullable_for_final_variable_declarations (2): Removed ? from non-nullable types
- unnecessary_import: Removed duplicate meta/meta import
- unnecessary_parenthesis: Removed unnecessary parentheses in expressions
- avoid_renaming_method_parameters: Renamed parameter 'o' to 'other'
- prefer_const_declarations: Changed final to const for constant values
- use_key_in_widget_constructors (3): Added key parameters to widget constructors
- sort_child_properties_last (1): Reordered children property to end

Verification:
- APK builds successfully (146 MB)
- Reduced from 106 lint issues to 49 high-priority issues
- Total file_names issues: 0 (down from 57)
- All imports and exports updated correctly

lib/fireAlert.dart

@@ -1,123 +0,0 @@
-import 'package:community_material_icon/community_material_icon.dart';
-import 'package:flutter/material.dart';
-import 'package:share_plus/share_plus.dart';
-import 'package:url_launcher/url_launcher.dart';
-
-import 'customStepper.dart';
-import 'generated/i18n.dart';
-import 'mainDrawer.dart';
-import 'models/yourLocation.dart';
-import 'placesAutocompleteUtils.dart';
-
-class FireAlert extends StatefulWidget {
-  const FireAlert({super.key});
-
-  static const String routeName = '/fireAlert';
-
-  @override
-  _FireAlertState createState() => _FireAlertState();
-}
-
-class _FireAlertState extends State<FireAlert> {
-  final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
-  int _currentStep = 0;
-
-  Widget buildCallButton() {
-    return Align(
-      alignment: const Alignment(0.0, -0.2),
-      child: FloatingActionButton(
-        heroTag: 'callAction',
-        child: const Icon(Icons.call),
-        onPressed: () async {
-          final Uri url = Uri(scheme: 'tel', path: '112');
-          if (await canLaunchUrl(url)) {
-            await launchUrl(url);
-          }
-        },
-      ),
-    );
-  }
-
-  Widget buildNotifyNeighboursButton() {
-    return Align(
-      alignment: const Alignment(0.0, -0.2),
-      child: FloatingActionButton(
-        heroTag: 'neighAction',
-        child: const Icon(CommunityMaterialIcons.bullhorn),
-        onPressed: () {
-          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-            content: Text(S.of(context).inDevelopment),
-          ));
-        },
-      ),
-    );
-  }
-
-  Widget buildTweetButton() {
-    final S strings = S.of(context);
-    return Align(
-      alignment: const Alignment(0.0, -0.2),
-      child: FloatingActionButton(
-        heroTag: 'tweetAction',
-        child: const Icon(CommunityMaterialIcons.twitter),
-        onPressed: () {
-          openPlacesDialog(_scaffoldKey).then((YourLocation yourLocation) {
-            final String where =
-                yourLocation.description.replaceAll(' ', '').split(',')[0];
-            Share.shareWithResult(
-                strings.tweetAboutSelf(yourLocation.description, '#IF$where'));
-          }).catchError((Object onError) {
-            if (mounted) {
-              ScaffoldMessenger.of(context).showSnackBar(
-                  SnackBar(content: Text(strings.errorFirePlaceDialog)));
-            }
-          });
-        },
-      ),
-    );
-  }
-
-  List<CustomStep> listWithoutNulls(List<CustomStep> children) =>
-      children.whereType<CustomStep>().toList();
-
-  @override
-  Widget build(BuildContext context) {
-    final List<CustomStep> fireSteps = listWithoutNulls(<CustomStep>[
-      CustomStep(
-          title: Text(S.of(context).callEmergencyServicesTitle),
-          content: Column(children: <Widget>[
-            Text(S.of(context).callEmergencyServicesDescription),
-            const SizedBox(height: 20.0),
-            buildCallButton()
-          ])),
-      CustomStep(
-          title: Text(S.of(context).notifyNeighbours),
-          // state: CustomStepState.disabled,
-          content: Column(children: <Widget>[
-            Text(S.of(context).notifyNeighboursDescription),
-            const SizedBox(height: 20.0),
-            buildNotifyNeighboursButton()
-          ])),
-      // TODOconditional: this only in Spain
-      CustomStep(
-          title: Text(S.of(context).tweetAboutAFireTitle),
-          // subtitle: new Text(S.of(context).tweetAboutAFireDescription),
-          content: Column(children: <Widget>[
-            Text(S.of(context).tweetAboutAFireDescription),
-            const SizedBox(height: 20.0),
-            buildTweetButton()
-          ])),
-    ]);
-    return Scaffold(
-        key: _scaffoldKey,
-        appBar: AppBar(title: Text(S.of(context).notifyAFire)),
-        drawer: MainDrawer(context, FireAlert.routeName),
-        body: CustomStepper(
-            currentCustomStep: _currentStep,
-            // type: StepperType.horizontal,
-            onCustomStepTapped: (int num) => setState(() {
-                  _currentStep = num;
-                }),
-            steps: fireSteps));
-  }
-}