Add a dedicated docs page for RoboCerebra that points at the canonical
dataset lerobot/robocerebra_unified and shows how to run eval + fine-tune
against it. Wire it into the Benchmarks section of the toctree so
doc-builder picks it up.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Pepijn