template: Enable syntax highlighting using highlight.js

template/quitesimple/page_footer

@@ -5,8 +5,10 @@
 		<li style="font-size: 10pt">Powered by qswiki</li>
 	</ul>
 </footer>
+<script src="{qswiki:config:highlightjspath}"></script>
 <script>
 {qswiki:include:js_session_refresh}
+hljs.highlightAll();
 </script>
 </body>
-</html>
+</html>