Add note about ghost-cli not intended to work
Add note about ghost-cli not intended to work

Mention ghost-cli is not working out of the box, refer to @acburdine comment explaining why on https://github.com/docker-library/ghost/issues/156

odoo/docker-docs,docker-solr/docs,31z4/docs,tilosp-docker/library-docs,jetty-project/docker-docs,Bonitasoft-Community/docker_docs,dinogun/docs,docker-library/docs,odoo/docker-docs,dinogun/docs,crate/docker-docs,tilosp-docker/library-docs,docker-solr/docs,jetty-project/docker-docs,infosiftr/docker-library-docs,31z4/docs,crate/docker-docs,Lightstreamer/docs,nats-io/docker-docs,avoinea/docs,Lightstreamer/docs,docker-library/docs,avoinea/docs,infosiftr/docker-library-docs,Bonitasoft-Community/docker_docs,nats-io/docker-docs