Github actions for pytest & coveralls and for building and pushing to Docker Hub

[northwestwitch]

This PR adds | fixes:

• Switch to Github actions for tests and coverage
• Added action to build the Docker image and pushing it to Docker Hub with 2 tags: "latest" and actual latest repo tag.

How to prepare for test:

• It's all automated but this needs fixing:
• DOCKER_USERNAME secret
• DOCKER_PASSWORD secret

How to test:

• Just watch

Expected outcome:

• tests should pass

Review:

• Code approved by
• Tests executed by Github actions

This version is a:

• MAJOR - when you make incompatible API changes
• MINOR - when you add functionality in a backwards compatible manner
• PATCH - when you make backwards compatible bug fixes or documentation/instructions

[coveralls]

Coverage remained the same at 99.209% when pulling c94d5bb on build_and_dockerhub_push_action into 9bbcb89 on master.

[northwestwitch]

Ready for review. An easy one!

[northwestwitch]

In order to push to Docker Hub I need to create the secrets and I need an admin.. @moonso? 😁

[moonso]

Nice @northwestwitch , I've added them on the organisational level. Not 100% how it works but please test

[moonso]

👍

[northwestwitch]

Nice @northwestwitch , I've added them on the organisational level. Not 100% how it works but please test

Cool, thanks!