Update subproject commit to indicate a dirty state

Extension/popup.html

@@ -0,0 +1,8 @@
+<!doctype html>
+<html>
+  <head><meta charset="utf-8" /></head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="popup.js"></script>
+  </body>
+</html>