add auth, format

lib/features/notifications/data/repositories/notification_repository_impl.dart

@@ -21,7 +21,9 @@ class NotificationRepositoryImpl implements NotificationRepository {
   Future<List<Notification>> getAllNotifications() async {
     final jsonList = await localDataSource.getAllNotifications();
     return jsonList.map((json) => NotificationModel.fromJson(json)).toList()
-      ..sort((a, b) => b.createdAt.compareTo(a.createdAt)); // Sort by newest first
+      ..sort(
+        (a, b) => b.createdAt.compareTo(a.createdAt),
+      ); // Sort by newest first
   }
 
   @override