feat: bootstrap Vue 3 app with Vue Router and Axios

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

resources/js/app.js

@@ -1,6 +1,5 @@
-import 'iconify-icon';
-import { stationMap } from './maps/station-map.js';
+import { createApp } from 'vue'
+import App from './App.vue'
+import router from './router/index.js'
 
-document.addEventListener('alpine:init', () => {
-    Alpine.data('stationMap', stationMap);
-});
+createApp(App).use(router).mount('#app')