pointing to cdn for Netlify

Author: kylebuch8

elements/pfe-modal/demo/index.html

@@ -12,8 +12,8 @@
     <link href="../../pfelement/pfelement.min.css" rel="stylesheet">
 
     <!-- uncomment the es5-adapter if you're using the umd version -->
-    <script src="/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
-    <script src="/@webcomponents/webcomponentsjs/webcomponents-loader.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.2.10/custom-elements-es5-adapter.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.2.10/webcomponents-loader.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.5/require.min.js"></script>
     <script>require(['../pfe-modal.umd.js'])</script>
   </head>