explorer/site/templates/block: missing pow type added

bin/explorer/site/templates/block.html

@@ -39,6 +39,7 @@
         <li><strong>Nonce:</strong> {{ block[5] }}</li>
         <li><strong>Transactions Root:</strong> {{ block[6] }}</li>
         <li><strong>State Root:</strong> {{ block[7] }}</li>
+        <li><strong>Proof of Work type:</strong> {{ block[7] }}</li>
         <li><strong>Signature:</strong> {{ block[8] }}</li>
     </ul>