Update builder.html

builder.html

@@ -6,7 +6,8 @@
     <link rel="stylesheet" href="https://unpkg.com/grapesjs/dist/css/grapes.min.css">
     <script src="https://unpkg.com/grapesjs"></script>
 
-<script src="path/to/grapesjs-custom-code.min.js"></script>
+<script src="https://unpkg.com/grapesjs-custom-code/dist/grapesjs-custom-code.min.js"></script>
+
     
     <style>
       body,