GitLab

This is copy-pasted from https://github.com/aiqm/torchani/blob/master/.github/workflows/deploy-test-pypi.yml but I forgot to update it...

We should use the tag created on GitHub, not add a new tag named after date

* deploy to aiqm/torchani-test-docs for testing

* Deploy to test PyPI on PR

* update

* fix tag version

* fix docs deploy format

* test

* fix

* deploy docs on release

* update

* deploy pypi

* update readme