[ ] I have added unit tests to cover additional functionality (not needed for dev container)
Expected functionality changes
Dev container has appropriate tools and languages for a developer to do development in a dev container running locally, in a Github Codespaces, or in a docker container running in a Kubernetes cluster.
Checklist before submitting a merge request
Description of contribution
https://github.com/opencaesar/oml-vision/issues/7 Add .devcontainer to OML Vision repo
Testing performed
Expected functionality changes
Additional context
[If needed, you may add additional context]