GitLab

Move and update the Dockerfile which provides the basis for the notebook related to third party warnings. This notebook is also added to CI.

- Add in CI a step to generate the Fedora image for TP.
- In the main README, add a brief explanation about the Docker command.
- In TP, reduce the README as the relevant informations is now given elsewhere.

Rewrite slightly the vector example in  to remove the focus from std::vector throughout the standards.

Report some typos from docker run -p 8888:8888 -it -e DISPLAY=:0 -v /tmp/.X11-unix:/tmp/.X11-unix -v /Users/sebastien/Documents/Formations/GettingStartedCpp:/home/non_root_user/Formation/Cpp  --cap-drop=all formation_cpp:latest (they were 'lost' follwoing the splitting of one notebook in half).