Update start

start

 #!/bin/bash
-git clone --single-branch -b master https://gitlab.irit.fr/toc/mathn7/controle-optimal/cours-etudiants.git
+git clone --single-branch -b master https://gitlab.irit.fr/toc/ens-n7/controle-optimal/etudiants.git
 rm -fr tp
 mv cours-etudiants/tp .
 rm -rf cours-etudiants