First commit !
adding license
test branch
rm test
modif readme et création dossiers
ajout img
image sur web et plus en local
modif logo
modif logo
correction nom
ajout de l'arbre
ajout librairies et bootsplash
modif path meow.ogg
Add BaseGameEntity.
Set GameBaseEntity to abstract.
Add player class
Add isVisible and isAlive attributs with getters and setters.
Fix singleton
Add mob class
Add MoveBehavior interface.

This interface is use to implement moving bahovior of the
 entities with the pattern strategy.