Add reference to old loading of iro.js and rangetouch.js

wled00/data/index.htm

@@ -335,6 +335,11 @@
 </div>
 
 <i id="roverstar" class="icons huge" onclick="setLor(0)">&#xe410;</i><br>
+
+<!-- 
+	If you want to load iro.js and rangetouch.js as consecutive requests, you can do it like it was done in 0.14.0:
+	https://github.com/Aircoookie/WLED/blob/v0.14.0/wled00/data/index.htm
+-->
 <script src="iro.js"></script>
 <script src="rangetouch.js"></script>
 <script src="index.js"></script>