Add symlinked versions of all images that are unversioned. This is
primarily for users who would like a URL path to the latest ISO for a
particular release. This is also for cases like osinfo where there
should be a generic path per major release.
* Utils is now empanadas.util.Shared
* Each config now has a profile name to determine latest-Rocky-{} link
(Results RLBT#0000131)
* Check added to see if an ISO was built at some point, and forcefully
exit if so
* Lorax tar ball should be in the format of of lorax-X.Y-ARCH to ensure
there's no collisions between stable, beta, and lh builds