fix: missing import (#3)

Author: mikelewis-au

packages/nx/src/schematics/application/files_angular/src/core/core.module.ts__tmpl__

@@ -1,5 +1,5 @@
 import { NgModule, Optional, SkipSelf } from '@angular/core';
-import { NativeScriptModule, NativeScriptHttpClientModule } from '@nativescript/angular';
+import { NativeScriptHttpClientModule, NativeScriptModule, throwIfAlreadyLoaded } from '@nativescript/angular';
 
 @NgModule({
   imports: [NativeScriptModule, NativeScriptHttpClientModule]