Update changelog

Author: CAD97

CHANGELOG.md

@@ -6,10 +6,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-## v0.2.0 - 2018-06-05
+## [v0.2.0] - 2018-06-05
 Removed `init()`. Instead, ANSI is automatically enabled the first time an ANSI string is crated.
 
 ## v0.1.2 - 2018-06-02
 Initial release!
 
-[Unreleased]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.1.2...HEAD
+[Unreleased]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.2.0...HEAD
+[v0.2.0]: https://github.com/olivierlacan/keep-a-changelog/compare/v0.1.2...v0.2.0