Backports wolf variants from 1.20.5

Adds a custom 3D model for the mace weapon

Allows you to pick one new wolf variant to play with.

Expands the wolf collar (similar to 1.20.5)

Replaces default splash text with references to Hermitcraft & related series.

Makes the leaf litter texture less dense

Backports the new dye textures to older versions for accessibility.