update fes.html

docs.fsdproject.org/static/fes.html

@@ -650,6 +650,14 @@ return site</code></pre>
 						<td><code>util.copyright(link: string, holder: string)</code></td>
 						<td>Used when setting the website copyright holder.</td>
 					</tr>
+					<tr>
+						<td><code>util.ls(dir)</code></td>
+						<td>Returns a table of the files in the given directory</td>
+					</tr>
+					<tr>
+						<td><code>util.run(cmd)</code></td>
+						<td>Returns the output of the provided command. stdout only.</td>
+					</tr>
 				</tbody>
 			</table>
 			<h3>Dkjson</h3>