Invalid Entity

Update to the Invalid Biome, only shows on unloaded chunks that you load or on a new world.

Made Invalid attack Steve and Steve attack Invalid.

Downgraded Invalid's health to 20 (10 health by counting the full hearts).

Added a structure: invalid_base and it generates in the Invalid Biome.

Changed gray colors to almost white in the Invalid Biome.

Made Invalid not drop the ingots, while in the chest of the structure is the Invalid Ingots.