feat: Add complete Docker deployment with web-based setup wizard

Major additions:
- Web-based setup wizard (setup.php, setup_wizard.php, setup-wizard.js)
- Production Docker configuration (docker-compose.prod.yml, .env.production)
- Database initialization SQL files (deploy/init_settings.sql)
- Template builder system with drag-and-drop UI
- Advanced features (OAuth, CDN, enhanced analytics, monetization)
- Comprehensive documentation (deployment guides, quick start, feature docs)
- Design system with accessibility and responsive layout
- Deployment automation scripts (deploy.ps1, generate-secrets.ps1)

Setup wizard allows customization of:
- Platform name and branding
- Domain configuration
- Membership tiers and pricing
- Admin credentials
- Feature toggles

Database includes 270+ tables for complete video streaming platform with
advanced features for analytics, moderation, template building, and monetization.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

f_core/f_classes/class.be.dashboard.php

@@ -496,7 +496,7 @@ class VbeDashboard
                         }
                         $k  = substr($k, 1);
                         $s  = self::$dbc->singleFieldValue('db_' . $tbl . 'files', 'approved', 'file_key', $k);
-                        $et = $s == '' ? '<b>(deleted)</b>' : ($s == 0 ? '<b>' . self::$language['backend.files.text.req'] . '</b>' : null);
+                        $et = $s == '' ? '<b>(deleted)</b>' : (($s == 0) ? '<b>' . self::$language['backend.files.text.req'] . '</b>' : null);
 
                         break;
                     case "payment_notification_be":