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>

database/migrations/2026_05_16_000003_create_participants_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('participants', function (Blueprint $table) {
+            $table->id();
+            $table->uuid('uuid')->unique();
+            $table->string('name');
+            $table->string('no_kp', 20)->unique();
+            $table->string('email', 255)->nullable();
+            $table->string('phone', 20)->nullable();
+            $table->string('agency', 255)->nullable();
+            $table->enum('participant_type', ['staff', 'external'])->default('external');
+            $table->timestamps();
+
+            $table->index('no_kp');
+            $table->index('email');
+            $table->index('uuid');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('participants');
+    }
+};