rework usage - make it more readable
opts.on with "" as short opt forces a newline in the usage -> droping "" to avoid that.
not sure to understant the std -> (see below)
[A venir] Mise en place de quotas sur nos instances GitLab. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
[Coming soon] Quotas installation on our GitLab instances. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
opts.on with "" as short opt forces a newline in the usage -> droping "" to avoid that.
not sure to understant the std -> (see below)