inria: add siconos, first import
inria: add siconos (4.2, 4.3, 4.4, 4.5) packages + also pythonocc (python bindings to opencascade) and lmgc90. Some cut and paste examples at https://github.com/siconos/guix-siconos
[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
inria: add siconos (4.2, 4.3, 4.4, 4.5) packages + also pythonocc (python bindings to opencascade) and lmgc90. Some cut and paste examples at https://github.com/siconos/guix-siconos