Trad Rack - Release 1

This is the first release of Trad Rack, a multimaterial system for FFF printers with a focus on scalability at low cost, developed by Ryan G and the team at Annex Engineering.

The full list of changes made during the beta phase can be found here: https://github.com/Annex-Engineering/TradRack/commits/R1

Our discord server can be found here: https://discord.gg/MzTR3zE

BOM/Sourcing Guide can be found here: https://docs.google.com/spreadsheets/d/1O3eyVuQ6M4F03MJSDs4Z71_XyNjXL5HFTZr1jsaAtRc/edit?usp=sharing