docs(aio): ward's changes

aio/content/examples/docs-style-guide/src/app/app.module.ts

@@ -0,0 +1,15 @@
+// #docregion
+import { NgModule }      from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { FormsModule }   from '@angular/forms';
+
+import { AppComponent }  from './app.component';
+
+// #docregion class
+@NgModule({
+  imports:      [ BrowserModule, FormsModule ],
+  declarations: [ AppComponent ],
+  bootstrap:    [ AppComponent ]
+})
+export class AppModule { }
+// #enddocregion class