Git Changelog Homeostatic Mod

Version 1.21.1-2.9.15.0

 - Release 1.21.1-2.9.15.0
 - Update datagen files.
 - Add missing language keys to zh_tw translation file.
 - Added 'Frost Resistance' potion. This allows players to not get colder. Additionally removed wetness for players that have the Water Breathing potion effect. Fixes #88 #61
 - Add support for modified max build height mods. Implements #87
 - Add support for Regions Unexplored. Implements #89

