Update README.md

update docker folder

feat: delete student from groups, and delete its files

update ports docker back

docker back

Modification emplacement de la convention généré

fix: made numEtu optional

Generer convention

Merge branch 'generer-convention' of https://github.com/ivanalglave/InternshipManager-Back into generer-convention

fix: change ine to numetu

Added the ability to import multiple people at once using JSON format.

fix: added INE to people

Upload fix

Change token param