feat: auto分组

controller/group.go

@@ -1,10 +1,11 @@
 package controller
 
 import (
-	"github.com/gin-gonic/gin"
 	"net/http"
 	"one-api/model"
 	"one-api/setting"
+
+	"github.com/gin-gonic/gin"
 )
 
 func GetGroups(c *gin.Context) {
@@ -34,6 +35,12 @@ func GetUserGroups(c *gin.Context) {
 			}
 		}
 	}
+	if setting.GroupInUserUsableGroups("auto") {
+		usableGroups["auto"] = map[string]interface{}{
+			"ratio": "自动",
+			"desc":  setting.GetUsableGroupDescription("auto"),
+		}
+	}
 	c.JSON(http.StatusOK, gin.H{
 		"success": true,
 		"message": "",