Enhance benchmark registration doc (#2117)
* Enhance benchmark registration doc
* Fix command for launching Inspect viewer
Updated command from 'inspect viewer' to 'inspect view' in documentation.
* Update docs/hub/eval-results.md
Co-authored-by: Daniel van Strien <davanstrien@users.noreply.github.com>
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Co-authored-by: Daniel van Strien <davanstrien@users.noreply.github.com>
