Big refacto
This MR introduces a lot of changes and refacto, I do not squash the commits in order to let more explanation about how it was done.
Gitlab was upgraded to latest version (v18.3.1), please report issues to https://forum.duniter.org/t/interventions-et-indisponibilite-des-forums-et-de-gitlab/7131/298
This MR introduces a lot of changes and refacto, I do not squash the commits in order to let more explanation about how it was done.