Clean up: move docs to Obsidian vault, remove outdated md files

lib/main.dart

@@ -4,6 +4,8 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'core/firebase_config.dart';
 import 'core/local_storage_service.dart';
 import 'core/notification_service.dart';
+import 'core/gitea_sync_service.dart';
+import 'core/offline_mindmap_repository.dart';
 import 'core/theme.dart';
 import 'core/router.dart';
 
@@ -22,6 +24,10 @@ void main() async {
   // Инициализация уведомлений
   await notificationService.initialize();
 
+  // Инициализация Gitea синхронизации (mindmaps offline cache)
+  await GiteaSyncService().initialize();
+  await OfflineMindmapRepository().initialize();
+
   runApp(
     const ProviderScope(
       child: NanaxeCrmApp(),