Add Nextflow language server (#335)

Author: bentsherman

index.html

@@ -2269,6 +2269,34 @@ <h4>Language servers</h4>
           </td>
           <td>Formatting, Semantic Highlighting, Signature Help, MOCA Client Capabilities</td>
         </tr>
+        <tr>
+          <th>Nextflow</th>
+          <td>
+            <a href="https://seqera.io/">Seqera</a>
+          </td>
+          <td class="repo">
+            <a href="https://github.com/nextflow-io/language-server">github.com/nextflow-io/language-server</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="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="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>Formatting, rename, semantic highlighting, visualization of code as workflow diagrams</td>
+        </tr>
 	<tr>
           <th>Odin</th>
           <td>