docs(aio): update migrated content from anguar.io

aio/content/examples/router/src/app/app-routing.module.ts

@@ -0,0 +1,50 @@
+// #docplaster
+// #docregion, preload-v1
+import { NgModule }             from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+
+import { ComposeMessageComponent }  from './compose-message.component';
+import { PageNotFoundComponent }    from './not-found.component';
+
+import { CanDeactivateGuard }       from './can-deactivate-guard.service';
+import { AuthGuard }                from './auth-guard.service';
+import { SelectivePreloadingStrategy } from './selective-preloading-strategy';
+
+const appRoutes: Routes = [
+  {
+    path: 'compose',
+    component: ComposeMessageComponent,
+    outlet: 'popup'
+  },
+  {
+    path: 'admin',
+    loadChildren: 'app/admin/admin.module#AdminModule',
+    canLoad: [AuthGuard]
+  },
+  // #docregion preload-v2
+  {
+    path: 'crisis-center',
+    loadChildren: 'app/crisis-center/crisis-center.module#CrisisCenterModule',
+    data: { preload: true }
+  },
+  // #enddocregion preload-v2
+  { path: '',   redirectTo: '/heroes', pathMatch: 'full' },
+  { path: '**', component: PageNotFoundComponent }
+];
+
+@NgModule({
+  imports: [
+    RouterModule.forRoot(
+      appRoutes,
+      { preloadingStrategy: SelectivePreloadingStrategy }
+    )
+  ],
+  exports: [
+    RouterModule
+  ],
+  providers: [
+    CanDeactivateGuard,
+    SelectivePreloadingStrategy
+  ]
+})
+export class AppRoutingModule { }