Add documentation

README.md

@@ -3,21 +3,23 @@ chip8-rs
 
 Yet another chip8 emulator written in rust \o/
 
-## TODO
+If you encounter any problems, I encourage you to open a PR!
 
-+ Expand on this README
-+ Add some documentation
-+ Add sound for beeper
-+ Fix tests for input
+![PONG](media/pong.png)
+
+## Games
+Due to legal reasons, I can't provide any games nor links to them.
+But they can be easily found by using a search engine!
 
 ## System Dependencies
-
 `sdl2` together with its dependencies are required to be installed on your hostmachine.
 On Arch-based distros you can use these packages:
 `sdl2 sdl2_gfx sdl2_image sdl2_mixer sdl2_ttf`
 
-## Credits
+## TODO
+[ ] Add Beeper Sound
 
+## Credits
 For this project I used the help from the following sites:
 + [Chip-8 Technical Reference](http://devernay.free.fr/hacks/chip8/C8TECH10.HTM#3.0)
 + [How to write an emulator (CHIP-8 interpreter)](http://www.multigesture.net/articles/how-to-write-an-emulator-chip-8-interpreter/)