Progression Reborn

Changed

• tweaked the values of copper equipment to be closer to the new vanilla values
• Copper Armor now has the new vanilla equip sounds
• updated Copper Horse Armor textures with new vanilla ones
• updated Copper Nugget texture with the new vanilla one
• tweaked internal mob spawn equipment code

Integration

• updated Legacies and Legends' integration with support for the new Cabins and Spire structures