Draft: [bug 14602] add environment files for C-Shell like tcsh
This MR covers modifications for C-Shell applying to the environments
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
This MR covers modifications for C-Shell applying to the environments