feat: bootstrap Vue 3 app with Vue Router and Axios

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

resources/js/axios.js

@@ -0,0 +1,13 @@
+import axios from 'axios'
+
+const api = axios.create({
+    baseURL: '/api',
+    withCredentials: true,
+    withXSRFToken: true,
+    headers: {
+        'Accept': 'application/json',
+        'X-Requested-With': 'XMLHttpRequest',
+    },
+})
+
+export default api