Add import and export functionality for sync configuration

app/locales/cn.ts

@@ -186,11 +186,20 @@ const cn = {
       Success: "同步成功",
       Fail: "同步失败",
 
+      ExportSuccess: "同步配置已复制到剪贴板",
+      ExportFail: "导出失败，请重试",
+      ImportSuccess: "同步配置导入成功",
+      ImportFail: "导入失败，请检查配置字符串",
+
       Config: {
         Modal: {
           Title: "配置云同步",
           Check: "检查可用性",
         },
+        ImportModal: {
+          Title: "导入同步配置",
+          Placeholder: "请输入同步配置",
+        },
         SyncType: {
           Title: "同步类型",
           SubTitle: "选择喜爱的同步服务器",