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

cleanCron.php

@@ -10,13 +10,13 @@ $app = require_once __DIR__.'/bootstrap/app.php';
 $kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);
 
 try {
-    // Run the Artisan command 'ping'
-    $exitCode = $kernel->call('cleanMail');
+    // Run the Artisan command
+    $exitCode = $kernel->call('mailbox:clean');
 
     // Get the output of the command
     $output = $kernel->output();
 
-    echo "Artisan command 'schedule:run' executed successfully. Exit code: $exitCode\n";
+    echo "Artisan command executed successfully. Exit code: $exitCode\n";
     echo "Output:\n$output";
 
 } catch (\Exception $e) {