RS,PS,ES algorithms?

[tvogel]

For signing short-lived JWTs to clients using a private server-side key of which the public key is shared with another service that clients shall access, it would be really helpful if pgjwt could sign such keys. Is that in scope for this project? I am in particular interested in RS512 and currently using an edge function but I would prefer to not even hand out the private key to the edge function instance.