Add autosplitters for UT: Wildfire, UT: Kindred Spirits + Rename TS!Underswap's section

[ners-xd]

If you are adding or modifying an Auto Splitter, please fill out this checklist:

• [x] My Auto Splitter does not contain any malicious functionality and I'm entirely responsible for any damages myself. (Any kind of abuse in an Auto Splitter will result in an immediate ban.)
• [x] I am not replacing an existing Auto Splitter by a different author, or I have received permission from the author to replace the existing Auto Splitter.
• [x] The Auto Splitter has an open source license that allows anyone to fork and host it.