message: docs(Locale): add romanian
diff: @@ -46,5 +46,6 @@ Current supported languages:
  | Turkish | tr-TR |
  | Spanish (Spain) | es-ES |
  | Japanese | ja-JP |
  +| Romanian | ro-RO |
  > View all language configs [Here](https://github.com/youzan/vant/tree/dev/src/locale/lang).
  