Merge pull request #48 from ergebnis/feature/changelog

Enhancement: Add `CHANGELOG.md`

Author: localheinz

CHANGELOG.md

@@ -0,0 +1,26 @@
+# Changelog
+
+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 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+For a full diff see [`1.0.0...main`][1.0.0...main].
+
+## [`1.0.0`][1.0.0]
+
+For a full diff see [`1.0.0...main`][1.0.0...main].
+
+### Added
+
+- Added composite actions for determining the `composer` cache directory and installing dependencies with `composer` ([#47]), by [@localheinz]
+
+[1.0.0]: https://github.com/ergebnis/.github/releases/tag/1.0.0
+
+[ca7f15d...1.0.0]: https://github.com/ergebnis/php-package-template/compare/ca7f15d...1.0.0
+[1.0.0...main]: https://github.com/ergebnis/php-package-template/compare/1.0.0...main
+
+[#47]: https://github.com/ergebnis/.github/pull/47
+
+[@localheinz]: https://github.com/localheinz

README.md

@@ -9,6 +9,10 @@ Provides community health files for the [@ergebnis](https://github.com/ergebnis)
 
 :bulb: Also see [GitHub Docs: Creating a default community health file](https://docs.github.com/en/github/building-a-strong-community/creating-a-default-community-health-file).
 
+## Changelog
+
+Please have a look at [`CHANGELOG.md`](CHANGELOG.md).
+
 ## Contributing
 
 Please have a look at [`CONTRIBUTING.md`](.github/CONTRIBUTING.md).