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/zoomMapPlugin.dart

@@ -1,42 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_map/flutter_map.dart';
-import 'package:latlong2/latlong.dart';
-
-/// Zoom control widget for flutter_map v6+
-class ZoomMapPluginWidget extends StatelessWidget {
-  const ZoomMapPluginWidget({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return LayoutBuilder(
-        builder: (BuildContext context, BoxConstraints constraints) =>
-            Stack(fit: StackFit.expand, children: <Widget>[
-              Positioned(
-                top: constraints.maxHeight - 100,
-                right: 10.0,
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.center,
-                  children: <Widget>[
-                    Column(
-                      children: <Widget>[
-                        _zoomButton(context, Icons.zoom_in, 1),
-                        _zoomButton(context, Icons.zoom_out, -1)
-                      ],
-                    )
-                  ],
-                ),
-              )
-            ]));
-  }
-
-  IconButton _zoomButton(BuildContext context, IconData zoomIcon, int inc) {
-    return IconButton(
-        icon: Icon(zoomIcon),
-        onPressed: () {
-          final MapController controller = MapController.of(context);
-          final double currentZoom = controller.camera.zoom;
-          final LatLng currentCenter = controller.camera.center;
-          controller.move(currentCenter, currentZoom + inc);
-        });
-  }
-}