update logout back-home cours.html
Merge branch 'master' of https://github.com/cGuille/mif22-eiah
Merge branch 'master' of https://github.com/cGuille/mif22-eiah
Merge branch 'master' of https://github.com/cGuille/mif22-eiah
add exos
Merge branch 'master' of https://github.com/cGuille/mif22-eiah
add exos pages