DockerHub crunchy-proxy image is not available

[moltar]

Documented here: https://github.com/CrunchyData/crunchy-proxy/blob/master/docs/crunchy-proxy-user-guide.asciidoc

Link from docs: https://hub.docker.com/r/crunchydata/crunchy-proxy/

Nothing in search either: https://hub.docker.com/search?q=crunchy-proxy&type=image