feat: Prepare Zemailnator for Dokploy deployment

- Add highly optimized Dockerfile with Nginx and PHP-FPM 8.4
- Add docker-compose.yml configured with Redis and MariaDB 10.11
- Implement entrypoint.sh and supervisord.conf for background workers
- Refactor legacy IMAP scripts into scheduled Artisan Commands
- Secure app by removing old routes with hardcoded basic auth credentials
- Configure email attachments to use Laravel Storage instead of insecure public/tmp

database/factories/TicketResponseFactory.php

@@ -2,8 +2,8 @@
 
 namespace Database\Factories;
 
-use App\Models\TicketResponse;
 use App\Models\Ticket;
+use App\Models\TicketResponse;
 use App\Models\User;
 use Illuminate\Database\Eloquent\Factories\Factory;