Have automatic tagging as an option

[ychartois]

Not everybody would like to have automatic tagging as it's tied to personal workflow. It perfect when your workflow follow the: 1 task = 1 PR, but it's not always the case.
By default the automatic tagging is turned off, if you want to enable it, you have to add it to your teamwork.yml like:

        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TEAMWORK_URI: ${{ secrets.TEAMWORK_URI }}
          TEAMWORK_API_TOKEN: ${{ secrets.TEAMWORK_API_TOKEN }}
          AUTOMATIC_TAGGING: false

Fixes #33

[toffentoffen]

Small doubt to discuss. In general LGTM

[toffentoffen]

What do you think about checking if TEAMWORK_API_TOKEN exists as well? Isn't it mandatory as well?

[miguelbemartin]

I think we don't need to check it because it's already defined as mandatory in the YML file.

[miguelbemartin]

Code looks good to me. I didn't test locally.

[ychartois]

I did test but might have miss something... anyway, the "Ensure this projects runs" is stuck since yesterday...

[miguelbemartin]

I did test but might have miss something... anyway, the "Ensure this projects runs" is stuck since yesterday...

This is because this only runs when:

on:
  pull_request:
    types: [opened, closed]
  pull_request_review:
    types: [submitted, dismissed]

so if you update the PR, the workflow to test the action doesn't run again.

[miguelbemartin]

@ychartois feel free to merge this PR.

Don't forget to add a "new release" after PR has been merged.