Updated pull request contribution guide

[loicgreffier]

Your checklist for this pull request

🚨Please review the guidelines for contributing to this repository.

• [] Make sure you are requesting to pull a topic/feature/bugfix branch (right side). Don't request your master!
• [] Make sure you are making a pull request against the dev (left side). Also you should start your branch off dev.
• [] Check the commit's or even all commits' message styles matches our requested structure.
• [] Check your code additions will fail neither code linting checks nor unit test.
• [] Make sure that you've add licence text on every new file you are adding to repository.

Description

Please describe your pull request.
If possible provide visual elements to illustrate your feature and

Thank you for your contribution ! 🍹