[atomic-wg] Issue #327: Add example of COPY README.md into container guidelines

[Stanislav Ochotnicky]

sochotni reported a new issue against the project: `atomic-wg` that you are following:
``
Container guidelines mention help file as requirement but none of example templates actually supply that example command
``

To reply, visit the link below or just reply to this email
https://pagure.io/atomic-wg/issue/327