Revert "Refonte menu principal + page d'accueil (Bureau)"

This reverts commit fb17c7baef375db8ed735a359f2cbb4086e93d07.
Revert "Revert "Refonte menu principal + page d'accueil (Bureau)""

This reverts commit c0de62ce9ffd4ed47288f35be4c3ee85ac31773d.