added connection to the dataBase

src/user/user.module.ts

@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { UserService } from './user.service';
+import { UserController } from './user.controller';
+
+@Module({
+  controllers: [UserController],
+  providers: [UserService],
+})
+export class UserModule {}