authentication module done

libs/common/src/response/response.decorator.ts

@@ -0,0 +1,4 @@
+import { SetMetadata } from '@nestjs/common';
+
+export const ResponseMessage = (message: string) =>
+  SetMetadata('response_message', message);

libs/common/src/response/response.interceptor.ts

@@ -0,0 +1,5 @@
+export interface Response<T> {
+    statusCode: number;
+    message: string;
+    data?: T;
+  }