Update download.md

Removed DigitalZone because their website is no longer maintained or accessible. Suggested replacing the link with either their Rentry page or their releases on Game Repack: - https://rentry.co/god_csrinru - https://game-repack.site/author/digitalzone  Also added Triah Games it's an Indonesian repack site and their repacks are pretty solid. One more suggestion: I think it might be better to move Xatab under the "Direct download site" section since most of their recent releases are portable torrent files. Not totally sure if it fits better under the torrent sites or Direct download site section though.