JA4 Fingerprinting Service with JA4T Support

Endpoints:
- GET /ja4 - Get JA4 fingerprint with antibot check and JA4T analysis
- GET /antibot - Antibot redirect (bot → bot URL, legitimate → user URL)
- GET /sync-stats - View request buffer statistics
- GET /ja4t-stats - View JA4T database statistics
- GET/POST /buffer-config - View/update buffer configuration
- GET /admin - Admin panel with traffic statistics and system control

Features:
✓ JA4 TLS fingerprinting
✓ JA4T TCP fingerprinting with OS detection
✓ Advanced antibot system with JA4T validation
✓ Automatic JA4T database building and validation
✓ HTTP requests buffering for TCP fingerprint correlation
✓ Admin panel with real-time statistics and system control

Make HTTPS requests to trigger JA4/JA4T detection
Access admin panel at: /admin