Merge branch 'rendre-game-engine' into 'master'

.idea/utopia.iml

src/main/java/engine/display/DisplayManager.java

src/main/java/engine/engineMain/Handler.java

src/main/java/engine/entities/Camera.java

src/main/java/engine/entities/Entity.java

src/main/java/engine/entities/Light.java

src/main/java/model/GameModel.java