add helpers

src/app.module.ts

@@ -1,14 +1,10 @@
 import { Module } from '@nestjs/common';
 
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
 import { ContentModule } from './modules/content/content.module';
 import { CoreModule } from './modules/core/core.module';
 import { DatabaseModule } from './modules/database/database.module';
 
 @Module({
-    imports: [ContentModule, CoreModule, DatabaseModule],
-    controllers: [AppController],
-    providers: [AppService],
+    imports: [ContentModule, CoreModule.forRoot(), DatabaseModule],
 })
 export class AppModule {}