added first domain model

src/application/domain/user/user.repo.ts

@@ -0,0 +1,5 @@
+import User, { UserId } from "./user.entity";
+import {Repository} from "#ddd";
+
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export default interface UserRepository extends Repository<UserId, User> {}