Restrict the Origin of Docker Images to a Set of Repositories

[gmolto]

Describe the solution you'd like

Currently, an OSCAR service can be created out of an arbitrary Docker image from a repository. The owner of the OSCAR cluster may want to limit the scope of the Docker images employed to those available in a curated set of Docker image repositories (e.g. deephdc/*). A list of repositories and the usage of wildcards should be supported (e.g. deephdc/deep-oc-posenet-*) for greater flexibility.

[gmolto]

Requested by Ignacio

[catttam]

Feature added on release v3.1.0