Release 0.8.0 version

Update docs for new release

Use trusted publishing for deploy

Use the trusted publishing mechanism instead of the old user/token approach.

Update `__version__` manually

Merge pull request #96 from ESSS/pre-commit-ci-update-config

Fix Title level inconsistent

Add docs to 0.3.0 version release

Use Travis stages so we have a separate deploy stage

Update to v0.1.7

Update to v0.1.6