Update changelog for 1.0.0

CHANGELOG.md

@@ -5,7 +5,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [1.0.0] - 2017-06-20
 ### Added
+- New visual identity by @tylerfortune8.
+- Version navigation.
+- Links to latest released version in previous versions.
 - "Why keep a changelog?" section.
 - "Who needs a changelog?" section.
 - "How do I make a changelog?" section.
@@ -124,7 +129,8 @@ notable changes.
 - Good examples and basic guidelines, including proper date formatting.
 - Counter-examples: "What makes unicorns cry?"
 
-[Unreleased]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/olivierlacan/keep-a-changelog/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.3.0...v1.0.0
 [0.3.0]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.0.8...v0.1.0