Now that we have an Apple Developer account, it would be nice to add JabRef to the apple store or at least sign the installer.

Related links:

• Description how this is usually done: https://developer.apple.com/developer-id/
• Using jpackage: http://kothar.net/macos_catalina_java_11 https://docs.oracle.com/en/java/javase/14/docs/specs/man/jpackage.html (description of mac-sign)
• Bugs that one may encounter: https://bugs.openjdk.java.net/browse/JDK-8238184 https://bugs.openjdk.java.net/browse/JDK-8240636