diff --git a/app/src/api/user-routes.ts b/app/src/api/user-routes.ts
new file mode 100644
index 0000000..139597f
--- /dev/null
+++ b/app/src/api/user-routes.ts
@@ -0,0 +1,2 @@
+
+
diff --git a/app/src/domain/repository.ts b/app/src/domain/repository.ts
new file mode 100644
index 0000000..61fdf82
--- /dev/null
+++ b/app/src/domain/repository.ts
@@ -0,0 +1,7 @@
+export interface Repository<T> {
+  get(id: any): Promise<T>;
+  save(model: T): Promise<void>;
+  update(model: T): Promise<void>;
+  delete(model: T): Promise<void>;
+}
+