* Available: "chrome","firefox","safari","ios","random","none".
* global-client-fingerprint will NOT overwrite the proxy's client-fingerprint setting when "client-fingerprint: none".
* client-fingerprint is used to apply Utls for modifying ClientHello, it accepts "chrome","firefox","safari","ios","random" options.
* Utls is currently support TLS transport in TCP/grpc/WS/HTTP for VLESS/Vmess and trojan.