add functions and resources

resources/images/infobox.bmp

resources/images/number/1.bmp

resources/images/number/2.bmp

resources/images/refresh.bmp

resources/images/rules.bmp

resources/images/showdice.bmp

src/SDL/Button.c

src/SDL/background.c

src/SDL/background.h

src/SDL/creerJoueur.c

src/SDL/creerJoueur.h

src/SDL/game.c

src/SDL/main.c

src/SDL/menu.c

src/SDL/menu.h

src/SDL/play.c

src/SDL/play.h