Added Swagger and TypeORM, added Hello World

src/app.module.ts

@@ -3,19 +3,18 @@ import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { GraphQLModule } from '@nestjs/graphql';
 import { MercuriusDriver, MercuriusDriverConfig } from '@nestjs/mercurius';
-import { HelloResolver } from './hello.resolver';
+import { databaseProviders } from './database.providers';
 
 @Module({
 	imports: [
 		GraphQLModule.forRoot<MercuriusDriverConfig>({
 			driver: MercuriusDriver,
-			path: '/api/graphql',
 			graphiql: true,
 			autoSchemaFile: true
 		} as MercuriusDriverConfig),
 	],
   controllers: [AppController],
-  providers: [AppService,HelloResolver],
+  providers: [AppService, AppController, ...databaseProviders],
   
 })
 export class AppModule {}