Add Matisse doctoral school (follows !2)
This PR isolates the changes in !2 (closed) specific to adding the new MATISSE doctoral school from the other changes. Author: Antonin Voyez.
[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
This PR isolates the changes in !2 (closed) specific to adding the new MATISSE doctoral school from the other changes. Author: Antonin Voyez.