docs: Link to new Discord (#659)

Author: nickserv

.github/ISSUE_TEMPLATE/Question.md

@@ -12,8 +12,7 @@ and feature requests so we recommend not using this medium to ask them here 😁
 
 ## ❓ Support Forums
 
-- React Spectrum https://spectrum.chat/testing-library
-- Reactiflux on Discord https://www.reactiflux.com
+- Discord https://discord.gg/c6JN9fM
 - Stack Overflow
   https://stackoverflow.com/questions/tagged/react-testing-library
 

README.md

@@ -30,6 +30,7 @@ practices.</p>
 [![All Contributors](https://img.shields.io/badge/all_contributors-76-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]
@@ -277,6 +278,7 @@ Thanks goes to these people ([emoji key][emojis]):
 
 <!-- markdownlint-enable -->
 <!-- prettier-ignore-end -->
+
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors][all-contributors] specification.
@@ -329,3 +331,6 @@ Contributions of any kind welcome!
   https://developer.mozilla.org/en-US/docs/Web/API/Window/setImmediate
 [guiding-principle]: https://twitter.com/kentcdodds/status/977018512689455106
 [jest]: https://facebook.github.io/jest
+[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