refactor(example): cleanup

example/scripts/index.js

@@ -0,0 +1,9 @@
+import React from 'react';
+import { render } from 'react-dom';
+import { unstable_trace as trace } from 'scheduler/tracing';
+
+import ExampleGraph from './ExampleGraph';
+
+trace('initial render', performance.now(), () =>
+  render(<ExampleGraph />, document.getElementById('root'))
+);