Added printout of shunt voltage

data/status.html

@@ -42,6 +42,10 @@
                 <td>Current: </td>
                 <td id="current">WAITING</td>
               </tr>
+              <tr>
+                <td>Shunt Voltage: </td>
+                <td id="shunt_voltage">WAITING</td>
+              </tr>
             </tbody>
           </table>
         </div>