stack-2.9.1: README.md

## The Haskell Tool Stack

[![Unit tests](https://github.com/commercialhaskell/stack/workflows/Unit%20tests/badge.svg)](https://github.com/commercialhaskell/stack/actions/workflows/unit-tests.yml)
[![Integration tests](https://github.com/commercialhaskell/stack/workflows/Integration%20tests/badge.svg)](https://github.com/commercialhaskell/stack/actions/workflows/integration-tests.yml)
[![Release](https://img.shields.io/github/release/commercialhaskell/stack.svg)](https://github.com/commercialhaskell/stack/releases)

Stack is a cross-platform program for developing Haskell projects. It is intended for Haskellers both new and experienced.

See [haskellstack.org](http://haskellstack.org) or the [doc](./doc) directory for more
information.

### Community

You can participate with the Stack community in the following areas:

* [Haskell Foundation Slack](https://haskell-foundation.slack.com/join/shared_invite/zt-z45o9x38-8L55P27r12YO0YeEufcO2w#/shared-invite/email)
    * `#stack-users` for general Stack discussion
    * `#stack-collaborators` for working on the Stack code base
* [Stack Google Group mailing list](https://groups.google.com/g/haskell-stack)
* [Haskell Community Discourse](https://discourse.haskell.org/)