message: improve doc on handleSubmit error
diff: @@ -984,6 +984,24 @@ handleSubmit(async (data) => await fetchAPI(data))`}
  .
  </p>
  </li>
  + <li>
  + <p>
  + During the callback, if the function itself throws an error inside
  + of <code>handleSubmit</code>, it will not swallow the error itself
  + but bubble up the error and <code>isSubmitSuccessful</code> will
  + be remained as <code>false</code>.
  + </p>
  +
  + <CodeArea
  + rawData={`const onSubmit = () => {
  + throw new Eorrr('Something is wrong')
  +}
  +
  +handleSubmit(onSubmit).catch((e) => {
  + // you will need to catch that error
  +})`}
  + />
  + </li>
  </ul>
  <h2 className={typographyStyles.subTitle}>Props</h2>
  