Update object creation guidelines in README

Clarify guidelines for object creation in README.

Author: LeftofZen

README.md

@@ -29,6 +29,7 @@ Of course, if someone is able to set up a modern Blender render pipeline in Blen
 - AI-generated content of any kind is not allowed (textures, models, names, etc).
 - Overall object
   - Needs to maintain the same image size size and rough visual features as the original Locomotion objects.
+  - Try not to make a 1-1 recreation of the vanilla object. We want to be able to use both vanilla and OG versions of an object together in the same game, and be visually distinct enmough to tell them apart.
   - Visual fidelity should remain the same as vanilla.
   - Colour palette should remain the same as vanilla.
   - The stats may change but may be identical or similar.