Announcement: react-toggle as Preact-ified custom element

[aaronshaf]

See https://github.com/aaronshaf/shaf-toggle

Wraps existing input element:

<label>
  <shaf-toggle>
    <input type="checkbox" name="joyful" value="yes" checked />
  </shaf-toggle>
  <span>Wrapper label tag</span>
</label>