changed readme

README.md

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 Create 2D-Scenes with clickable animations on a background image, save them for later.  
 Click on an animation and the animation will change. Arrange a composition.  
+Designed for 12FPS-animation-sequences.
 Made in one night, as little game engine for Andrei Ebi who also contributed the example animation and background image.  
 
 ![](https://github.com/pr1est0r/gse/blob/master/assets/prev.gif)