Updated ngmodule guide and ngmodule faq with routing module prose

Author: brandonroberts

public/docs/_examples/ngmodule/ts/app/app.module.3.ts

@@ -11,6 +11,8 @@ import { UserService }        from './user.service';
 
 /* Feature Modules */
 import { ContactModule }      from './contact/contact.module.3';
+
+/* Routing Module */
 import { AppRoutingModule }   from './app-routing.module.3';
 
 @NgModule({

public/docs/_examples/ngmodule/ts/app/app.module.ts

@@ -10,6 +10,8 @@ import { AppComponent }   from './app.component';
 /* Feature Modules */
 import { ContactModule }    from './contact/contact.module';
 import { CoreModule }       from './core/core.module';
+
+/* Routing Module */
 import { AppRoutingModule } from './app-routing.module';
 
 @NgModule({