- Translate the README document. (e.g., [README-KR.md](https://github.com/parksb/handmade-blog/blob/master/README-KR.md), [README-ID.md](https://github.com/parksb/handmade-blog/blob/master/README-ID.md)) - [List of ISO 639-1 (language code)](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)
