[enh] Refactor bin/yunohost-api to follow moulinette changes and add help
[enh] Refactor bin/yunohost-api to follow moulinette changes and add help

YunoHost/moulinette-yunohost,YunoHost/moulinette-yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost,YunoHost/yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost