Add support for igg games

[soredake]

Would be nice if support for igg games was added.

[jeregon1]

that site is not recommended by the majority of the community, you should be aware there have been issues with it. Read this: https://www.reddit.com/r/Piracy/comments/ttkcit/friendly_reminder_to_stay_away_from_igggames/

[hhoneeyy]

malware site