lr-acts-0.0: CHANGELOG.md

# Changelog for `lr-acts`

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to the
[Haskell Package Versioning Policy](https://pvp.haskell.org/).

## 0.0 - 2025-05-22

### Added

- Left and right actions
- Semigroup, monoid and group actions
- Cyclic and generated actions
- Torsors
- Semidirect products