Add all the issue and improvements to be done in Github Project & prioritise them

[codam]

• [x] Create a new GitHub project
• [x] Include the current GitHub issues
• [x] Raphael to review his Trello tasks, and add them in this GitHub project
• [ ] Nicolas to review the email sent to Raphael based on this discussion between him and Chris (check green highlights), clarify each task, and add them in this GitHub project
• [x] Nicolas to check the previous GitHub project, clarify each task, and add them in this GitHub project
• [ ] Elie to review his notes and clarify each task, and add them in this GitHub project
• [ ] Elie / Chris to prioritize each task