remove undefined classes

lib/ui/navigation/app_router.dart

@@ -1,5 +1,10 @@
 import 'package:flutter/material.dart';
 import '../../core/service_locator.dart';
+import '../../data/session/session_service.dart';
+import '../../data/local/local_storage_service.dart';
+import '../../data/nostr/nostr_service.dart';
+import '../../data/sync/sync_engine.dart';
+import '../../data/firebase/firebase_service.dart';
 import '../home/home_screen.dart';
 import '../immich/immich_screen.dart';
 import '../nostr_events/nostr_events_screen.dart';