feat(config) allow dangling comma
feat(config) allow dangling comma

It has been supported in JS since ES5 and it helps users not make syntax
errors by uncommenting lines which are not comma terminated.

jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet