docs(img): update angular to standalone

Author: brandyscarney

static/usage/v7/img/basic/angular/example_component_ts.md

@@ -5,6 +5,7 @@ import { IonImg } from '@ionic/angular/standalone';
 @Component({
   selector: 'app-example',
   templateUrl: 'example.component.html',
+  styleUrls: ['example.component.css'],
   imports: [IonImg],
 })
 export class ExampleComponent {}

static/usage/v8/img/basic/angular/example_component_ts.md

@@ -5,6 +5,7 @@ import { IonImg } from '@ionic/angular/standalone';
 @Component({
   selector: 'app-example',
   templateUrl: 'example.component.html',
+  styleUrls: ['example.component.css'],
   imports: [IonImg],
 })
 export class ExampleComponent {}