BradyAJohnston/MolecularNodes: v2.7.3 for Blender 3.5+

Minor fixes for cartoon style, and some refactoring of the docs. What's Changed add selection to style cartoon by @BradyAJohnston in https://github.com/BradyAJohnston/MolecularNodes/pull/241 minor cleanup in docs by @BradyAJohnston in https://github.com/BradyAJohnston/MolecularNodes/pull/242 Full Changelog: https://github.com/BradyAJohnston/MolecularNodes/compare/v2.7.2...v2.7.