libreant-users cli: added missing help messages
libreant-users cli: added missing help messages

rename command to add users: "add" -> "create"

leophys/libreant,leophys/libreant,ael-code/libreant,ael-code/libreant,ael-code/libreant,leophys/libreant,leophys/libreant,insomnia-lab/libreant,insomnia-lab/libreant,ael-code/libreant,insomnia-lab/libreant,insomnia-lab/libreant