docs: Document libcangjie_cli
This is Markdown, as usual, but written in a format close to manual pages.
Eventually, we might want to try and actually convert it to a man page.
Fixes #51 (closed)
This is Markdown, as usual, but written in a format close to manual pages.
Eventually, we might want to try and actually convert it to a man page.
Fixes #51 (closed)