Add Ladill POS v1 — register, Pay checkout, and commerce links.

Staff-facing counter register at pos.ladill.com with catalog cart, cash and
MoMo/card checkout via Ladill Pay, CRM timeline/import, invoice prefill, and
Merchant catalog import.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/js/bootstrap.js

@@ -0,0 +1,4 @@
+import axios from 'axios';
+window.axios = axios;
+
+window.axios.defaults.headers.common['X-Requested-With'] = 'XMLHttpRequest';