[init] pushing git tutos n main process skeleton

git/git_pesentation-FR.pdf

git/gitlab_tutorial_for_students.pdf

git/others/TP/bilans.org

git/others/TP/cheatsheet.org

git/others/TP/cm/Cours_J3/Makefile

git/others/TP/cm/Cours_J3/coursj3/.idea/.gitignore

git/others/TP/cm/Cours_J3/coursj3/.idea/coursj3.iml

...J3/coursj3/.idea/inspectionProfiles/profiles_settings.xml

git/others/TP/cm/Cours_J3/coursj3/.idea/misc.xml

git/others/TP/cm/Cours_J3/coursj3/.idea/modules.xml

git/others/TP/cm/Cours_J3/coursj3/.idea/vcs.xml

git/others/TP/cm/Cours_J3/coursj3/appli/__init__.py

git/others/TP/cm/Cours_J3/coursj3/appli/admin.py

git/others/TP/cm/Cours_J3/coursj3/appli/apps.py

git/others/TP/cm/Cours_J3/coursj3/appli/forms.py

...s/TP/cm/Cours_J3/coursj3/appli/migrations/0001_initial.py

...thers/TP/cm/Cours_J3/coursj3/appli/migrations/__init__.py

git/others/TP/cm/Cours_J3/coursj3/appli/models.py

...rs_J3/coursj3/appli/templates/appli/student_creation.html

git/others/TP/cm/Cours_J3/coursj3/appli/tests.py