https://framagit.org/sio-malraux/sts1/ppe2/wikis/Pr%C3%A9sentation-du-projet-PPE2-Comp%C3%A9titions-de-Kata-16/05/Pr%C3%A9sentation-du-projet-PPE2-Comp%C3%A9titions-de-Kata