🔧(global) add CHANGELOG

Create a changelog to track changes across versions.

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]
+
+### Added
+
+- Setup Turborepo and package.json
+- Setup ESLint package
+- Setup tsconfig package
+- Add tokens repo
+- Add react repo
+- Add storybook to react repo
+- Add app demo
+- Setup Docker
+- Setup Makefile
+- Setup circle ci
+- Setup renovate.json
+- Add CHANGELOG
+
+[unreleased]: https://github.com/openfun/cunningham