add @github scope to include-fragment-element

ref: #37

Author: koddsson

index.html

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <!-- <script type="text/javascript" src="dist/index.umd.js"></script> -->
   <script type="text/javascript" src="https://unpkg.com/@github/details-dialog-element@latest"></script>
-  <script type="text/javascript" src="https://unpkg.com/include-fragment-element@latest"></script>
+  <script type="text/javascript" src="https://unpkg.com/@github/include-fragment-element@latest"></script>
   <title>details-dialog-element demo</title>
   <link href="./index.css" rel="stylesheet">
   <link href="https://unpkg.com/primer@latest/build/build.css" rel="stylesheet">