Add forEach polyfill for docs site.

Nathan Reyes · Nathan Reyes · commit f6923720287b · 2018-01-17T15:28:39.000-06:00
diff --git a/index.html b/index.html
@@ -11,7 +11,7 @@
   </head>
   <body>
     <div id="app"></div>
-    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=Promise,Array.prototype.find,Array.prototype.includes"></script>
+    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=Promise,Array.prototype.find,Array.prototype.includes,Array.prototype.forEach"></script>
     <!-- built files will be auto injected -->
   </body>
 </html>
