Export the buffered utility too

Author: WebReflection

esm/exports.js

@@ -1,5 +1,7 @@
 // this file simply exports enough stuff to allow
 // 3rd party libraries, including PyScript, to work
+import { buffered } from './interpreter/_io.js';
+export { buffered };
 export * from './index.js';
 export * from './script-handler.js';
 export * from './utils.js';