Add Rockset sponsor logo

Author: marijnh

doc/logos/rockset.svg

@@ -213,6 +213,7 @@ <h2>Sponsors</h2>
     <li><a href="https://www.desmos.com/"><img src='doc/logos/desmos.svg' loading=lazy alt=desmos></a></li>
     <li><a href="https://www.executeprogram.com"><img style="background: #003; margin: 10px 0; padding: 10px 30px 10px 20px" src='doc/logos/executeprogram.svg' loading=lazy alt="Execute Program"></a></li>
     <li><a href="https://cargo.site"><img alt=Cargo style="max-height: 120px" src='doc/logos/cargo.svg' loading=lazy></a></li>
+    <li><a href="https://rockset.com"><img alt=Rockset style="max-height: 120px" src='doc/logos/rockset.svg' loading=lazy></a></li>
     <li><a href="https://primo.af"><img alt=primo src='doc/logos/primo.svg' loading=lazy></a></li>
     <li><a href="https://www.artcompiler.com"><img class=captioned alt="" src='doc/logos/artcompiler.svg' loading=lazy> ARTCOMPILER</a></li>
     <li><a href="https://www.prisma.io"><img alt="Prisma" src='doc/logos/prisma.svg' loading=lazy></a>