This patch adds a new endpoint to the REST API called "artifacts" with
the following methods:
- Add
- Extract
- Inspect
- List
- Pull
- Push
- Remove
This API will be utilised by the Podman bindings to add OCI Artifact
support to our remote clients.
Jira: https://issues.redhat.com/browse/RUN-2711
Signed-off-by: Lewis Roy <lewis@redhat.com>