Mention the Hydra project

Signed-off-by: Juan Cruz Viotti <[email protected]>

Author: jviotti

layouts/partials/footer.html

@@ -28,8 +28,8 @@ <h6 class="mb-3">Projects</h6>
               </a>
             </li>
             <li class="my-1">
-              <a class="text-muted text-decoration-none" target="_blank" href="https://www.learnjsonschema.com">
-                <small>Learn JSON Schema</small>
+              <a class="text-muted text-decoration-none" target="_blank" href="https://hydra.sourcemeta.com">
+                <small>Hydra</small>
               </a>
             </li>
           </ul>