v2.2.0-pre

Pre-Release build of v2.2.0, for public usage and review.

Features to be added:
Welcome Screen for New Users
Multi-Layer support and automation (Backend done, just missing frontend)
Built-In Color Quantization (Color-Splitter supports this already, will have to move a lot of stuff around for this)
Other QoL features suggested in the Discord

Full Changelog: v2.1.1...v2.2.0-pre