Add label service

frontend/services/application/label.service.ts

@@ -0,0 +1,12 @@
+import { LabelItemList } from '@/models/label'
+import { LabelItemListRepository } from '@/repositories/label/interface'
+
+export class LabelApplicationService {
+  constructor(
+    private readonly repository: LabelItemListRepository
+  ) {}
+
+  public list(id: string): Promise<LabelItemList> {
+    return this.repository.list(id)
+  }
+}