Updated readme to include a platform section. [skip ci]
Updated readme to include a platform section. [skip ci]
June92/Cardshifter,SirPython/Cardshifter,SirPython/Cardshifter,June92/Cardshifter,Cardshifter/Cardshifter,SirPython/Cardshifter,Cardshifter/Cardshifter,Cardshifter/Cardshifter,June92/Cardshifter