refactor nest app to server folder

server/src/user/user.module.ts

@@ -0,0 +1,13 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { UserService } from './user.service';
+import { UserController } from './user.controller';
+import { User } from '../entity/user';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([User])],
+  providers: [UserService],
+  controllers: [UserController],
+  exports: [UserService],
+})
+export class UserModule {}