feat: Add relevant download parameters of KuGouLyricDownloader.

添加 KuGouLyricDownloader 相关的下载器配置参数。

src/ZonyLrcTools.Cli/appsettings.json

@@ -24,6 +24,10 @@
       {
         "Name": "QQ",
         "Priority": 2
+      },
+      {
+        "Name": "KuGou",
+        "Priority": 3
       }
     ]
   }