Add hysteria2 protocol

constant/proxy.go

@@ -22,6 +22,7 @@ const (
 	TypeShadowsocksR = "shadowsocksr"
 	TypeVLESS        = "vless"
 	TypeTUIC         = "tuic"
+	TypeHysteria2    = "hysteria2"
 )
 
 const (
@@ -65,6 +66,8 @@ func ProxyDisplayName(proxyType string) string {
 		return "VLESS"
 	case TypeTUIC:
 		return "TUIC"
+	case TypeHysteria2:
+		return "Hysteria2"
 	case TypeSelector:
 		return "Selector"
 	case TypeURLTest: