fix(angular): router-outlet animation

demos/angular/src/app/simple-nav/page-three/page-three-routing.module.ts

@@ -0,0 +1,14 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+
+import { PageThree } from './page-three';
+
+const routes: Routes = [
+  { path: '', component: PageThree }
+];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class PageThreeRoutingModule { }