should support translation of docker and oci image/manifest formats

[soldair]

in order to add annotation metadata to a layer in a manifest it needs to be the oci format.
think about ways this would be helpful.

https://github.com/opencontainers/image-spec/blob/master/manifest.md
https://github.com/opencontainers/image-spec/blob/master/config.md

https://docs.docker.com/registry/spec/manifest-v2-2/
https://github.com/moby/moby/blob/master/image/spec/v1.2.md