feat: display message when repository list is empty

public/partials/dashboard.htm

@@ -321,6 +321,12 @@
           </div>
         </div>
       </li>
+      <li
+        class="col-12 d-flex px-0 py-3 border-bottom color-border-secondary"
+        ng-if="filteredRepositories.length == 0"
+      >
+        There is no repository to display.
+      </li>
     </ul>
   </div>
 </div>