Add a change log

via a CHANGELOG.md

CHANGELOG.md

@@ -0,0 +1,19 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [1.0.3] - 2017-12-13
+### Added
+- Docusaurus [released](http://docusaurus.io/blog/2017/12/14/introducing-docusaurus.html) to the public.
+  - Initialization script
+  - Versioning
+  - Translations
+  - Search
+  - Blog
+  - Documentation
+
+[Unreleased]: https://github.com/facebook/Docusaurus/compare/v1.0.3...HEAD