In the website, in the Comparison to Riemannian Motion Policies video there is a yellow shelf. Can you tell me how I can add a shelf like that? <img width="476" alt="Screen Shot 2022-09-28 at 07 45 41" src="https://user-images.githubusercontent.com/15041798/192672210-8ae6374e-a2ae-4abc-a3a0-08a024d240bd.png">