GroundZeroCore Resource Pack v59 - Patient Zero Containment Puzzle

ONLY ADDED:
- CustomModelData 9800: Infected Seal I
- CustomModelData 9801: Infected Seal II
- CustomModelData 9802: Infected Seal III
- CustomModelData 9803: Infected Seal IV
- CustomModelData 9804: Patient Zero Containment Altar
- Dedicated models/textures under assets/minecraft/models/item/gz and textures/item/gz.
- Existing resource-pack assets and overrides preserved.
