Variants from MonsterVariantsPlus, Ported to VarianceAPI.

Adds some VarianceAPI functionality to GeneticArtifact

All of Rob's Variants, ported and modified to VarianceAPI

Adds a config for VarianceAPI because nebby refused to do it

*New Variant Released!* Adds 3 new monster variants to the game using Nebby's VarianceAPI.