Weaponry

• added netherite horse armor
• fixed iron and golden greatswords not being able to be smelted down into nuggets
• fixed wooden greatswords not being usable as fuel
• some internal code changes

notes: this is a build of the removed 0.2a+1.21 version without the copper backport as it caused incompatibilities, if you want the copper backport, please use Copper Age Backport by Smallinger, however there will not be a copper greatsword until the mod is eventually ported to 1.21.9