message: update shouldUnregister behaviour
diff: @@ -173,12 +173,13 @@ export default {
  </li>
  <li>
  <p>
  - From version 7.6.0 onwards, any missing registered inputs from{" "}
  + From version 7.6.0 onwards with <code>shouldUnregister</code> set
  + to <>false</>, any missing registered inputs from{" "}
  <code>defaultValues</code> will get automatically registered.
  However, it's still recommend using the <code>register</code>{" "}
  method and provide hidden input to follow HTML standard.
  </p>
  -
  + By setting
  <CodeArea
  rawData={`const App = () => {
  const { register, handleSubmit } = useForm({
  @@ -265,9 +266,30 @@ export default {
  </p>
  </li>
  <li>
  + <>
  By setting <code>shouldUnregister</code> to true at{" "}
  <code>useForm</code> level, <code>defaultValues</code> will{" "}
  <b>not</b> be merged against submission result.
  + </>
  + </li>
  + <li>
  + <p>
  + set <code>shouldUnregister: true</code> will set your form behave
  + more closer as native.
  + </p>
  + <ul>
  + <li>
  + <p>input unmount will remove value.</p>
  + </li>
  + <li>
  + <p>input hidden should applied for hidden data.</p>
  + </li>
  + <li>
  + <p>
  + only registered input will be included as submission data.
  + </p>
  + </li>
  + </ul>
  </li>
  </ul>
  </>
  