docs: Link to new Discord (#141)

Author: nickserv

README.md

@@ -27,6 +27,7 @@ testing practices.</p>
 
 [![All Contributors](https://img.shields.io/badge/all_contributors-25-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs] [![Code of Conduct][coc-badge]][coc]
+[![Discord][discord-badge]][discord]
 
 [![Watch on GitHub][github-watch-badge]][github-watch]
 [![Star on GitHub][github-star-badge]][github-star]
@@ -296,3 +297,5 @@ MIT
 [all-contributors]: https://github.com/all-contributors/all-contributors
 [dom-testing-library]: https://github.com/testing-library/dom-testing-library
 [cypress]: https://www.cypress.io/
+[discord-badge]: https://img.shields.io/discord/723559267868737556.svg?color=7389D8&labelColor=6A7EC2&logo=discord&logoColor=ffffff&style=flat-square
+[discord]: https://discord.gg/c6JN9fM