Added loadProgress export

Author: WebReflection

Diff for: esm/exports.js

@@ -1,7 +1,8 @@
 // this file simply exports enough stuff to allow
 // 3rd party libraries, including PyScript, to work
 import { buffered } from './interpreter/_io.js';
-export { buffered };
+import { loadProgress } from './interpreter/_utils.js';
+export { buffered, loadProgress };
 export * from './index.js';
 export * from './script-handler.js';
 export * from './utils.js';