feat(challenge13): create challenge 13 about styling

apps/styling/src/app/text.component.ts

@@ -0,0 +1,16 @@
+/* eslint-disable @angular-eslint/component-selector */
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'text',
+  standalone: true,
+  template: `
+    <p style="font-size: {{ font }}px; color: {{ color }}">
+      <ng-content></ng-content>
+    </p>
+  `,
+})
+export class TextComponent {
+  @Input() font = 10;
+  @Input() color = 'black';
+}