Python script to help with creating AR codes

[hman360]

I made a small Python script to make it easier to generate addresses for Action Replay codes for Dolphin. It only works with the "Normal" code type, but that should be plenty for most simple codes. I've added it to the Action Replay information page here: https://github.com/dolphin-emu/dolphin/wiki/GameCube-Action-Replay-Code-Types#code-generation-python-script

Hope this helps others!