handle relative path correctly (#226)

Co-authored-by: fyears <1142836+fyears@users.noreply.github.com>

src/sync.ts

@@ -147,6 +147,7 @@ const isSkipItemByName = (
   return (
     isHiddenPath(key, true, false) ||
     (!syncUnderscoreItems && isHiddenPath(key, false, true)) ||
+    key === "/" ||
     key === DEFAULT_FILE_NAME_FOR_METADATAONREMOTE ||
     key === DEFAULT_FILE_NAME_FOR_METADATAONREMOTE2
   );