Adds copper armor and tools. All craftable using the standard recipe layout with copper ingots.
Version 1.0.2 -> Armor (palyer and horse) now corrodes if you're wearing it or holding it.
Version 1.0.3 -> resolved reported error.
Coming soon: Applying wax to stop it corroding.
Also adds craftable copper horse armor.
Supports MC version 1.21.4 -> 1.21.7