feat(@schematics/angular): add zone-error import in polyfill (#414)

Author: JiaLiPassion

packages/schematics/angular/application/files/__sourcedir__/environments/environment.ts

@@ -6,3 +6,11 @@
 export const environment = {
   production: false
 };
+
+/*
+ * In development mode, to ignore zone related error stack frames such as
+ * `zone.run`, `zoneDelegate.invokeTask` for easier debugging, you can
+ * import the following file, but please comment it out in production mode
+ * because it will have performance impact when throw error
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.