Alpha 0.0.3 Little adds

-Added Skybox
-Change the place of the secret
-Create with blender a model for a ennemy
-Fix the height of the floor
-Fix the traduction of the win text
-Import ennemy in unity
-The change log is in the folder of the game
-The secret is now visible (only in resolution 1920x1080)
-The ennemy do nothing yet
-When you take a Pick up you accelerate a little bit

-Added Fun