message: docs(locale): add Norwegian
diff: @@ -47,5 +47,6 @@ Current supported languages:
  | Spanish (Spain) | es-ES |
  | Japanese | ja-JP |
  | Romanian | ro-RO |
  +| Norwegian | nb-NO |
  > View all language configs [Here](https://github.com/youzan/vant/tree/dev/src/locale/lang).
  