extensions-0.0.0.0: CHANGELOG.md

# Changelog

`extensions` uses [PVP Versioning][1].
The changelog is available [on GitHub][2].

## 0.0.0.0 — May the 4th, 2020 💪

* Initially created.

[1]: https://pvp.haskell.org
[2]: https://github.com/kowainik/extensions/releases