Update README.md

Author: RobLoach

README.md

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 # raylib-aseprite
 
-Load [Aseprite](https://www.aseprite.org) **1.2** `.aseprite` files for animated sprites in [raylib](https://www.raylib.com).
+Load [Aseprite](https://www.aseprite.org) `.aseprite` and `.ase` files for animated sprites in [raylib](https://www.raylib.com).
 
 ![examples/raylib-aseprite-example.gif](examples/raylib-aseprite-example.gif)