Added a Tutorial to the Game

I realized that when you play the Game for the first Time it is completely overwhelming. 

You don´t really know who you control or move and you don´t what you should do? Two very important things that a Player should know tobe able to play the Game. 

And when the red Balls (Enemies) appear and they touch the blue Ball (the "thing" you have to defend) you are instantly Game Over without knowing what you should have down differently. 

I thought a Tutorial would be quite nice to introduce a new Player to the mechanics of the Game and I think that it turned out reasonably good better than I myself expected. 

So please go play the Game here. Also leave a Comment what you think about the Game and the new Tutorial.