Configure beta branch with version and experimental flag.

Author: microbit-carlos

editor.html

@@ -78,7 +78,7 @@
         </script>
         <script type="application/javascript">
             // VERSION INFORMATION
-            EDITOR_VERSION = "2.0.0";
+            EDITOR_VERSION = "2.1.0-beta.1";
             UPY_VERSION = "1.0.1";
         </script>
         <script id="files-template" type="x-tmpl-mustache">
@@ -445,7 +445,7 @@ <h2 id="modal-msg-title"></h2>
                     blocks: false,
                     snippets: true,
                     share: false,
-                    experimental: false,
+                    experimental: true,
                 },
             };
             web_editor(config);