- Build on my supported platforms (some don't have properly working Vagrant boxes so they're allowed to fail).

- Enable free Ansible strategy to allow each host to proceed as fast as it can to help speed up some plays.

- Add pre-commit check for out-of-date dependencies.
- Add flake8 pre-commit check.
- List roles needed for testing (bootstraping) at
tests/requirements.yml, leave other dependencies at meta/main.yml.
- Update molecule.yml, ansible.cfg for newer versions of Molecule.
- Update documentation, playbook accordingly.