Create image workflow

[obasekiosa]

Description

Adds a GitHub action that builds and pushes a docker image of the repository to docker hub images are tagged with docker_username/repo_name:date

Motivation and Context

This allows for the first step in the CD process. fixes #306

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[mr-c]

@obasekiosa I see that this workflow is hard to test in a PR. Drop a link here to the working run on your fork, along with a link to the resulting container on your Docker Hub or quay.io account.

Of course, let me know if you have any questions, we can even have a voice chat with screen sharing to troubleshoot any problems that arise.