Update README.md

README.md

@@ -12,7 +12,7 @@ Key Features
 
 Semantic UI is now at 1.0, be sure to check out our [release notes](https://github.com/Semantic-Org/Semantic-UI/blob/master/RELEASE-NOTES.md) for changes from the pre-release.
 
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+**Semantic now uses Slack for project discussions**. [Request an Invite](https://docs.google.com/forms/d/1hI1z136sXLkTQKtsv8SIvjjAvzpH77YzMQKrU-P8GAc/viewform?usp=send_form) to join the discussion.
 
 > Community contributed plugins and ports for Wordpress, Angular, Dart, Knockout, Rails, and more can be found on the [Integration page](https://github.com/Semantic-Org/Semantic-UI/wiki/Integration).
 
@@ -71,3 +71,5 @@ If you need help, come hang out in `#semantic-ui` on *irc.freenode.net*.  Click
 
 If you'd like to start a conversation about Semantic feel free to reach out by e-mail [jack@semantic-ui.com](mailto:jack@semantic-ui.com)
 
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+