update index.html

Author: Sindhujach217

docs/index.html

@@ -250,6 +250,17 @@ <h2 class="title is-4 has-text-centered">
             <td class="has-text-centered" style="padding: 4px;"><span style="color: red;">&#10007;</span></td>
           </tr>
 
+          <tr>
+            <td class="has-text-left" style="white-space: nowrap; padding: 4px;"><strong>SafeDPO</strong></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: red;">&#10007;</span></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>
+            <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>
+          </tr>
+
           <tr>
             <td class="has-text-left" style="white-space: nowrap; padding: 4px;">Self-alignment DPO</td>
             <td class="has-text-centered" style="padding: 4px;"><span style="color: #008000;">&#10003;</span></td>