devel/resteasy: Add new Port

RESTEasy is an implementation of the Jakarta RESTful Web Services
specification using the classic javax.ws.rs namespace.

This port installs the RESTEasy core JAX-RS implementation, the Jackson 2
JSON provider, and the Servlet container initializer.

WWW: https://resteasy.dev/

Sponsored by: Netzkommune GmbH

Required for: FreeIPA server port