Merge in CGD/gather-and-defend from art/addDemoProjectSprites to main
* commit 'b73eb9e7b37963c40905ec9f6e45a6ef1efaa44e':
Added demo project sprites and a basic animated stickman
Merge in CGD/gather-and-defend from maintenance/addingGitMessage to main
* commit '48e188e3f9b2c7bef71b7060a7937e08e5ebcd75':
ajout d'un fichier gitmessage