Added notification logic and view api

lib/data/repositories/notification_repository.dart

@@ -0,0 +1,24 @@
+import 'package:tm_app/core/utils/result.dart';
+import 'package:tm_app/data/services/model/notification__response/notification_response_model.dart';
+import 'package:tm_app/data/services/notification_service.dart';
+
+class NotificationsRepository {
+  NotificationsRepository({required NotificationsService notificationsService})
+      : _notificationsService = notificationsService;
+
+  final NotificationsService _notificationsService;
+
+  Future<Result<NotificationResponseModel>> getNotifications({
+    required int limit,
+    required int offset,
+  }) async {
+    return _notificationsService.getNotifications(
+      limit: limit,
+      offset: offset,
+    );
+  }
+
+  Future<Result<NotificationResponseModel>> markAllAsRead() async {
+    return _notificationsService.markAllAsRead();
+  }
+}