For the manual page, we can consider automatic generation with the help of a template in build.rs, like [this](https://github.com/BurntSushi/ripgrep/blob/64ac2ebe0f2fe1c8967e7ec550bc32466bf40a07/build.rs#L67) _Originally posted by @KB5201314 in https://github.com/proot-me/proot-rs/issues/7#issuecomment-846411115_