refactor: move angular source to /packages rather than modules/@angular

packages/examples/core/ts/platform/platform.ts

@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {Component, createPlatformFactory} from '@angular/core';
+import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
+
+// #docregion longform
+@Component({selector: 'my-app', template: 'Hello World'})
+class MyApp {
+}
+
+const myPlatformFactory = createPlatformFactory(platformBrowserDynamic, 'myPlatform');
+myPlatformFactory().bootstrapModule(MyApp);
+// #enddocregion