Chore: API support patch ipv6 config (#1217)

hub/route/configs.go

@@ -4,6 +4,7 @@ import (
 	"net/http"
 	"path/filepath"
 
+	"github.com/Dreamacro/clash/component/resolver"
 	"github.com/Dreamacro/clash/config"
 	"github.com/Dreamacro/clash/hub/executor"
 	"github.com/Dreamacro/clash/log"
@@ -32,6 +33,7 @@ type configSchema struct {
 	BindAddress *string            `json:"bind-address"`
 	Mode        *tunnel.TunnelMode `json:"mode"`
 	LogLevel    *log.LogLevel      `json:"log-level"`
+	IPv6        *bool              `json:"ipv6"`
 }
 
 func getConfigs(w http.ResponseWriter, r *http.Request) {
@@ -78,6 +80,10 @@ func patchConfigs(w http.ResponseWriter, r *http.Request) {
 		log.SetLevel(*general.LogLevel)
 	}
 
+	if general.IPv6 != nil {
+		resolver.DisableIPv6 = !*general.IPv6
+	}
+
 	render.NoContent(w, r)
 }