Merge pull request MessageKit#1809 from monstermac77/add-coursicle-to-readme

Added Coursicle to the list of apps using MessageKit

Author: Kaspik

README.md

@@ -154,6 +154,7 @@ Interested in contributing to MessageKit? Click here to join our [Slack](https:/
 Add your app to the list of apps using this library and make a pull request.
 
 - [ClassDojo](https://www.classdojo.com)
+- [Coursicle](https://apps.apple.com/us/app/coursicle/id1187418307)
 - [Connect Messaging](https://apps.apple.com/app/id1607268774)
 - [Ring4](https://www.ring4.com)
 - [Formacar](https://itunes.apple.com/ru/app/id1180117334)