message: fix(datetime-button): add fragment tags to React example
diff: @@ -3,11 +3,13 @@ import React from 'react';
  import { IonDatetime, IonDatetimeButton, IonModal } from '@ionic/react';
  function Example() {
  return (
  + <>
  <IonDatetimeButton datetime="datetime"></IonDatetimeButton>
  <IonModal keepContentsMounted={true}>
  <IonDatetime id="datetime"></IonDatetime>
  </IonModal>
  + </>
  );
  }
  export default Example;
  