Add LTeX LS (#305)

Author: valentjn

index.html

@@ -1927,6 +1927,26 @@ <h4>Language servers</h4>
           </td>
           <td>Tool for implementing a language server in any language</td>
         </tr>
+        <tr>
+          <th>LanguageTool</th>
+          <td>
+            <a href="https://github.com/valentjn">Julian Valentin</a>
+          </td>
+          <td class="repo">
+            <a href="https://github.com/valentjn/ltex-ls">github.com/valentjn/ltex-ls</a>
+          </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="danger"></td>
+          <td class="success">
+            <span class="glyphicon glyphicon-ok" aria-hidden="true"></span>
+          </td>
+          <td>Checking spelling and grammar in markup languages such as LaTeX, Markdown, XHTML, &hellip;</td>
+        </tr>
         <tr>
           <th>LaTeX</th>
           <td>