chore: replace stencil slack with discord channel (#349)

.github/ionic-issue-bot.yml

@@ -7,7 +7,7 @@ closeAndLock:
     - label: "ionitron: support"
       message: >
         Thanks for the issue! This issue appears to be a support request. We use this issue tracker exclusively for
-        bug reports and feature requests. Please use our [slack channel](https://stencil-worldwide.slack.com/)
+        bug reports and feature requests. Please use our [discord channel](https://chat.stenciljs.com/)
         for questions about Stencil Sass.
 
 

readme.md

@@ -55,7 +55,7 @@ Note that each of these files are always added to each component, so in most cas
 
 * [sass](https://www.npmjs.com/package/sass)
 * [Stencil](https://stenciljs.com/)
-* [Stencil Worldwide Slack](https://stencil-worldwide.slack.com)
+* [Ionic Discord](https://chat.stenciljs.com/)
 * [Ionic Components](https://www.npmjs.com/package/@ionic/core)
 * [Ionicons](http://ionicons.com/)