Rose Gold

Adds Rose Gold, a new tier of tools and armor in between Iron and Diamond, to help balance out progression.

• Rose Gold equipment is obtained by upgrading Golden equipment in a smithing table
• Upgrading costs one Copper Ingot and one Rose Gold Upgrade
• Craft the Rose Gold Upgrade using Copper and Gold Ingots
• Rose Gold is an upgrade to Iron with better damage, defense, durability, and mining speed