chore(): move demos/angular to angular/test

angular/test/nav/src/app/alert/alert.module.ts

@@ -0,0 +1,15 @@
+import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+import { AlertPageComponent } from './alert-page.component';
+import { AlertRoutingModule } from './alert-routing.module';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    AlertRoutingModule
+  ],
+  declarations: [AlertPageComponent],
+  schemas: [CUSTOM_ELEMENTS_SCHEMA]
+})
+export class AlertModule { }