Merge pull request #2078 from Sikora00/master

docs(mikroorm): update code snippet

Author: kamilmysliwiec

content/recipes/mikroorm.md

@@ -233,6 +233,7 @@ export class AppModule {}
 
 // register the request context middleware
 const app = await NestFactory.create(AppModule, { ... });
+const orm = app.get(MikroORM);
 
 app.use((req, res, next) => {
   storage.run(orm.em.fork(true, true), next);