A Mostly stable beta build for the newest 1.21.11

Has a few missing content and tons of bugs!

Changes:

• Added Epic Structures:Dungeons
• Added Lavaflow, Nether is a bit more enjoyable to traverse now
• Added Oh The Biomes We've Gone
• Fixed mcfunctions for Custom Mobs, datapacks work now

Known Issues:

• Missing crafting content for 1.21.11 update, spears, etc
• Missing crafting content for Oh The Biomes We've Gone

Missing Content:

• Battle Towers
• Farmer's Delight
• Ice and Fire