added few comments

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "liveServer.settings.port": 5501
+}

example-singleServer-gauges.html

@@ -108,6 +108,8 @@ function initUI(){
 	I("ip").textContent="";
 }
 </script>
+<!-- HTML code starts from here and CSS code-->
+<!-- style tag is used to guve style to sheet -->
 <style type="text/css">
 	html,body{
 		border:none; padding:0; margin:0;