Add changelog

Author: npalm

CHANGELOG.md

@@ -0,0 +1,14 @@
+# 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]
+
+## [0.0.1] - 2020-05-19
+### Added
+- First release.
+
+[Unreleased]: https://github.com/philips-labs/terraform-aws-github-runner/compare/v0.0.1..HEAD
+[0.0.1]: https://github.com/philips-labs/terraform-aws-github-runner/releases/tag/v0.0.1