feat(challenge33): add new challenge about decoupling

apps/decoupling/src/app/app.component.ts

@@ -0,0 +1,11 @@
+import { BtnDisabledDirective } from '@angular-challenges/decoupling/brain';
+import { BtnHelmetDirective } from '@angular-challenges/decoupling/helmet';
+import { Component } from '@angular/core';
+
+@Component({
+  standalone: true,
+  imports: [BtnDisabledDirective, BtnHelmetDirective],
+  selector: 'app-root',
+  template: ` <button btnDisabled hlm>Coucou</button> `,
+})
+export class AppComponent {}