chore: initial Laravel 13 project setup for eCert MBIP

- Laravel 13.9 + PHP 8.5 + MySQL
- Bootstrap 5.3 + jQuery 3.7 + Chart.js (replacing Alpine/Tailwind)
- Packages: intervention/image, dompdf, simple-qrcode, league/csv, laravel/breeze, laravel/boost
- 17 database migrations: users, programs, qr_codes, participants, attendances, certificates, questionnaires, email_logs, audit_logs
- 13 Eloquent models with full relationships
- Admin layout (Bootstrap 5 sidebar) + public layout (mobile-first)
- Rate limiters: checkin (60/min), certificate (30/min)
- Admin seeder: admin@mbip.gov.my
- Storage directories + symlink configured

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

app/Http/Controllers/Admin/ParticipantController.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+
+class ParticipantController extends Controller
+{
+    //
+}