Renderer API

### The feature, motivation and pitch

- google/filament:
- https://github.com/google/filament
- Android/iOS/Lin/Mac/Win, WebGL
- LuisaGroup/LuisaRender:
https://github.com/LuisaGroup/LuisaRender
- Genesis-AI renders w/ LuisaRender
- https://mujoco.readthedocs.io/en/stable/programming/visualization.html
- https://mujoco.readthedocs.io/en/latest/unity.html
- Also, Which other 3d platforms could Mujoco support?
- https://github.com/panda3d/panda3d
- https://github.com/godotengine/godot
- https://github.com/the-mirror-gdp/the-mirror
- https://github.com/jsdotlua/jest-lua , *roact*-navigation

### Alternatives

- This is not a pressing need.
- I noticed your renderer, just learned about Filament (2018), and thought I'd share these opportunities.
- There could be mujoco_menagerie robots in MMORPG platforms and/or there could be high quality renders.

### Additional context

_No response_