Revert "update .gitignore"

This reverts commit 84e0ceadfa36f6ef12507b57a3e37142dd129637.
Revert "Revert "update .gitignore""

This reverts commit d2d1cee395cd08a0cd5280e317d2c38b09b4f223.
Revert "Séance tutorée 1"

This reverts commit fc29e487c16638d323ac6bdffdceb208cdca5c77.