Added nestjs microservice

microservices/src/main.ts

@@ -0,0 +1,15 @@
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+import { AppService } from './app.service';
+
+async function bootstrap() {
+  const app = await NestFactory.createApplicationContext(AppModule);
+
+  const appService = app.get(AppService);
+
+  appService.getHello();
+
+  await app.close();
+}
+
+bootstrap();