Add Qlue-ls, a SPARQL language server (#340)

Author: IoannisNezis

index.html

@@ -3340,6 +3340,28 @@ <h4>Language servers</h4>
             </ul>
           </td>
         </tr>
+	<tr>
+          <th>SPARQL</th>
+          <td>
+            <a href="https://github.com/IoannisNezis/">Ioannis Nezis</a>
+          </td>
+          <td class="repo">
+            <a href="https://github.com/IoannisNezis/Qlue-ls">github.com/IoannisNezis/Qlue-ls</a>
+          </td>
+          <td class="success">
+            <span class="glyphicon glyphicon-ok" aria-hidden="true"></span>
+          </td>
+          <td class="success">
+            <span class="glyphicon glyphicon-ok" aria-hidden="true"></span>
+          </td>
+          <td class="danger"></td>
+          <td class="danger"></td>
+          <td class="danger"></td>
+          <td class="success">
+            <span class="glyphicon glyphicon-ok" aria-hidden="true"></span>
+          </td>
+          <td></td>
+        </tr>
         <tr>
           <th>SPARQL</th>
           <td>