feat: Add XtremFlow color palette for light/dark themes and initial Flutter web HTML with a themed loading screen.

lib/main.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'core/router/app_router.dart';
 import 'core/theme/app_theme.dart';
+import 'core/providers/theme_provider.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -14,14 +15,16 @@ class MyApp extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final router = ref.watch(routerProvider);
+    final themeState = ref.watch(themeProvider);
 
     return MaterialApp.router(
       title: 'XtremFlow IPTV',
       debugShowCheckedModeBanner: false,
-      theme: AppTheme.darkTheme,
+      theme: AppTheme.lightTheme,
       darkTheme: AppTheme.darkTheme,
-      themeMode: ThemeMode.dark, // Force dark mode for premium look
+      themeMode: themeState.themeMode,
       routerConfig: router,
     );
   }
 }
+