UG and UT99 Stuff that needs to be Categorized

https://github.com/unreal-archive/unreal-archive-data/pull/4435
https://github.com/unreal-archive/unreal-archive-data/pull/4436
@shrimpza Can you please Categorize these map packs and this mutator in these two uploads I've been waiting for months for you to do it anyways.