Add workflows and badges for stuff

[github-actions[bot]]

• Build version

• Test coverage

• Run tests on different python versions

https://github.com/danmassarano/chatbot/blob/c643451d5bc6f32ca080d7bc2dda23f286d47dd8/issues.md#L13

    assignees: danmassarano
-->

<!-- TODO: Add workflows and badges for stuff
    - Build version
    - Test coverage
    - Run tests on different python versions
    labels: ci, documentation
    assignees: danmassarano
-->

[danmassarano]

Add Python interrogate check to workflow

Add CI steps from e.g. this project to:

• Run black formatter
• Test on python versions 3.6 to 3.9
• Update code coverage

[github-actions[bot]]

Closed in 56768b4d6f4d577f87af4c1a9476657e6e9d05d2