docs: Release Announcement for PR jamulussoftware#3410 — Add iOS Icon

Author: pljones

ReleaseAnnouncement.md

@@ -12,6 +12,7 @@
 
 Here's what's new in the next release of Jamulus:
 
+- iOS: added an icon to the iOS app ([@ann0see](https://github.com/ann0see))
 - iOS: fixed an app hang when changing the language ([@ann0see](https://github.com/ann0see))
 - iOS: fixed a GUI issue preventing the connect dialog from showing correctly ([@ann0see](https://github.com/ann0see))
 - iOS: returns the correct operating system version when run as a server ([@ann0see](https://github.com/ann0see))