Blackout's Backpacks

1.16.5 - v2.1.0

• Re-added Emerald Backpack without requiring Chaos Awakens.
• Made Backpacks easier to craft.
• Added Backpack Upgrade items to upgrade Backpacks.
• Leather Backpack can now be made with Leather or Rabbit Hide.
• Backpacks now all have a width of 12 slots instead of a width of 9 slots on each row.
• Fixed bugs including:
  • Backpack deleting itself when attempting to open in offhand.
  • Not being able to place many blocks and items into backpack.
  • Fixed trying to open a backpack then quickly switching to another item opening a UI with 0 slots and sometimes crashing the game.