fixed an issue with model builder
- fixeed messup of previous update
- added a bunch of documentation in /example package
- added BakedQuadsTransformer, deprecating VertexUtils methods
fixed an issue with registration
more minor fixes to new system. added more hooks to fluid tank code
fixed some bugs with the newly added system
- fixed an issue with colors shading being incorrect
- improved newly added api
backported some things
- added AdditionalItemPlacementsAPI to easily make any item placeable
- fixed a crash
- fixed an issue i just introduced..
- fixed custom item model on fabric not working correctly