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

packages/common/src/common_module.ts

@@ -0,0 +1,31 @@
+/**
+ * @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 {NgModule} from '@angular/core';
+
+import {COMMON_DEPRECATED_DIRECTIVES, COMMON_DIRECTIVES} from './directives/index';
+import {NgLocaleLocalization, NgLocalization} from './localization';
+import {COMMON_PIPES} from './pipes/index';
+
+
+// Note: This does not contain the location providers,
+// as they need some platform specific implementations to work.
+/**
+ * The module that includes all the basic Angular directives like {@link NgIf}, {@link NgForOf}, ...
+ *
+ * @stable
+ */
+@NgModule({
+  declarations: [COMMON_DIRECTIVES, COMMON_PIPES],
+  exports: [COMMON_DIRECTIVES, COMMON_PIPES],
+  providers: [
+    {provide: NgLocalization, useClass: NgLocaleLocalization},
+  ],
+})
+export class CommonModule {
+}