Update docs.html

Author: wupz1027

docs/docs.html

@@ -466,6 +466,9 @@ <h2>Get Started</h2>
               # This should be changed to the Python interpreter of your virtual environment.
             </li>
           </ul>
+        <li><b>Download the docker image</b></li>
+              <pre><code>docker pull ghcr.io/bai-lab/memoryos:latest</code></pre>
+
         </ul>
       </section>
       <section class="section" id="configure">