Fixed issue with stack mode

added 1.21.6+ compatability

Added fixes for game crashes and support for player inventory quick craft

• Fixes

1. Game crashed when using stack mode
2. Config did not save through instances

• Player Inventory Quick Craft

• Added support for the survival 2x2 crafting grid in the inventory

added stack mode (its pretty buggy, i think it will kick you from most servers if you use it, ill fix later)