Datapack Utils

Updated to Minecraft 1.16

- Updated chunk scan

- Updated block, item, and entity tags

- Updated predicates

- Updated attribute names

Rework of world generation (again)

- Added support for custom dimensions

- World type is now determined at run time rather than hardcoding each dimension. This means sky island type overworlds will now use sky island type generation (previously end style generation).

- Dimension and Biomes now use string ids

- Structures now have 3 placement schemes: surface, underground, and sky. These generate separately so you can add underground structures without removing structures on the surface.

- Registry arguments have changed to support these new features- existing datapacks are likely incompatible

Fixed a dupe glitch with the custom crafting table

Various other tweaks and fixes