add infra room to table

static/contact.html

@@ -93,6 +93,10 @@
                         <td><a href="https://app.element.io/#/room/%23releases:grapheneos.org">#releases:grapheneos.org</a></td>
                         <td>GrapheneOS release announcements</td>
                     </tr>
+                    <tr>
+                        <td><a href="https://app.element.io/#/room/%23infra:grapheneos.org">#infra:grapheneos.org</a></td>
+                        <td>Infrastructure monitoring and discussion.</td>
+                    </tr>
                 </table>
 
                 <p>The official GrapheneOS space groups together all of the official rooms along