feat(challengestandalone): challenge standalone

apps/module-to-standalone/src/main.ts

@@ -0,0 +1,6 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app/app.module';
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch((err) => console.error(err));