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/globalFiresBottomStats.dart

@@ -1,76 +0,0 @@
-import 'dart:convert';
-
-import 'package:flutter/material.dart';
-import 'package:get_it/get_it.dart';
-import 'package:http/http.dart' as http;
-
-import 'colors.dart';
-import 'customBottomAppBar.dart';
-import 'customMoment.dart';
-import 'generated/i18n.dart';
-
-class GlobalFiresBottomStats extends StatefulWidget {
-  const GlobalFiresBottomStats({super.key});
-
-  @override
-  _GlobalFiresBottomStatsState createState() => _GlobalFiresBottomStatsState();
-}
-
-class _GlobalFiresBottomStatsState extends State<GlobalFiresBottomStats> {
-  late String lastCheck;
-  int activeFires = 0;
-  final String firesApiUrl =
-      GetIt.instance<String>(instanceName: 'firesApiUrl');
-
-  @override
-  void initState() {
-    super.initState();
-    http
-        .read(Uri.parse('${firesApiUrl}status/last-fire-check'))
-        .then((String result) {
-      try {
-        final Moment now = Moment.now();
-        final dynamic decodedResult = json.decode(result);
-        final Map<String, dynamic> resultMap =
-            decodedResult as Map<String, dynamic>;
-        final DateTime last = DateTime.parse(resultMap['value'] as String);
-        http
-            .read(Uri.parse('${firesApiUrl}status/active-fires-count'))
-            .then((String result) {
-          try {
-            final dynamic decodedCountResult = json.decode(result);
-            final Map<String, dynamic> countMap =
-                decodedCountResult as Map<String, dynamic>;
-            final int count = (countMap['total'] as num).toInt();
-            setState(() {
-              lastCheck = now.from(context, last);
-              activeFires = count;
-            });
-          } catch (_) {
-            // Ignore JSON parse errors
-          }
-        });
-      } catch (_) {
-        // Ignore storage read errors
-      }
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final List<Widget> actionWidgets = <Widget>[];
-    if (activeFires > 0) {
-      actionWidgets
-          .add(Column(mainAxisSize: MainAxisSize.min, children: <Widget>[
-        Text(S.of(context).activeFiresWorldWide(activeFires.toString())),
-        Text(S.of(context).updatedLastCheck(lastCheck))
-      ]));
-    }
-
-    return CustomBottomAppBar(
-        fabLocation: FloatingActionButtonLocation.centerDocked,
-        showNotch: true,
-        color: fires100,
-        actions: actionWidgets);
-  }
-}