Is there already an invite reward that you can send out to friends and get a commission?

If not maybe something like 10% what they earn if they sign up with your link nostr:nprofile1qqsdheuj9ypr36s33vk80atacpagajutvzgct0l7m06asvaeud2qhycpzdmhxw309ucnydewxqhrqt338gmnwdehnyrkke