Add Haskell ARM64 notes
Add Haskell ARM64 notes

And clarify old dockerfiles are no longer included in the repo.

docker-library/docs,jetty-project/docker-docs,Bonitasoft-Community/docker_docs,nats-io/docker-docs,Lightstreamer/docs,nats-io/docker-docs,docker-library/docs,infosiftr/docker-library-docs,jetty-project/docker-docs,crate/docker-docs,crate/docker-docs,Lightstreamer/docs,Bonitasoft-Community/docker_docs,infosiftr/docker-library-docs