feat(challenge15): function overload

apps/overload/src/app/app.component.ts

@@ -0,0 +1,14 @@
+import { Component } from '@angular/core';
+import { createVehicle } from './teacher.utils';
+
+@Component({
+  standalone: true,
+  selector: 'app-root',
+  template: ``,
+})
+export class AppComponent {
+  car = createVehicle('car', 'diesel');
+  bus = createVehicle('bus', undefined, 20);
+  boat = createVehicle('boat', undefined, 300, true);
+  bicycle = createVehicle('bicycle');
+}