stack-2.9.3: doc/CI.md

<div class="hidden-warning"><a href="https://docs.haskellstack.org/"><img src="https://cdn.jsdelivr.net/gh/commercialhaskell/stack/doc/img/hidden-warning.svg"></a></div>

# Continuous integration (CI)

## GitHub Actions

The Stack repository uses GitHub Actions for its own CI. For further
information, see the guide to
[contributing](CONTRIBUTING.md#continuous-integration-ci).

## Azure

For further information, see the [Azure CI](azure_ci.md) documentation.

## Travis

For further information, see the [Travis CI](travis_ci.md) documentation.