[gnugen] Install Fest and Workshop git

Install Fest
Come discover Linux and if you want, we'll be ready to help you install it on your computer !
(remember to take a backup of your data before, just in case)

📅 When: this Saturday, 23th of march from 10h to 17h
📌 Where: EPFL CM 1 100

Workshop: just do git, at 13h30 if you'd like to learn how to use git for an efficient collaboration