added manual save data button

templates/index.html

@@ -16,6 +16,9 @@
         <li>{{HTP[i]}}</li>
         {% endfor %}
     </ul>
+    <form action="/api/save" method="post">
+    <button type="submit" name="foo" value="upvote"> Save data </button>
+    </form>
     </div>
 </body>
 </html>