Integrate Filament Rendering #269

MolmoSpaces achieved very impressive zero shot sim2real with this renderer in mujoco. Since it's not rt based it's also pretty fast and, thus, we should integrate this into RCS. As of now it is not officially released in MuJoCo. However there is a package used in MolmoSpace dependencies called mujoco-filament in pypi testing that looks like a drop in replacement.