message: Include backers in readme
diff: @@ -51,6 +51,17 @@ swc is a community-driven project, and is maintained by a group of [volunteers](
  Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/swc#sponsor)]
  +<h2 align="center">Gold Sponsors</h2>
  +
  +<h2 align="center">Silver Sponsors</h2>
  +
  +<h2 align="center">Bronze Sponsors</h2>
  +
  +<h2 align="center">Backers</h2>
  +[Become a backer](https://opencollective.com/webpack#backer) and get your image on our README on Github with a link to your site.
  +
  +<a href="https://opencollective.com/webpack/backer/0/website?requireActive=false" target="_blank"><img src="https://opencollective.com/webpack/backer/0/avatar.svg?requireActive=false"></a>
  +
  # Documentation
  