fix(justfile): Prevent overwriting of nethsm docs in `docs` recipe
Due to a bug in cargo the docs of nethsm-cli would overwrite those of nethsm. Prevent this by selectively generating docs and moving relevant dirs around.
Related-to: https://github.com/rust-lang/cargo/issues/6313 Signed-off-by: David Runge dvzrv@archlinux.org