add .gitignore
Merge branch 'master' of https://github.com/pimpin/gestion_projet
Merge branch 'master' of https://github.com/pimpin/gestion_projet
Merge branch 'master' of https://github.com/pimpin/gestion_projet
Merge branch 'master' of https://github.com/pimpin/gestion_projet
Merge branch 'master' of https://github.com/pimpin/gestion_projet
Merge branch 'master' of https://github.com/nikus44/gestion_projet
Merge branch 'master' of https://github.com/nikus44/gestion_projet