Update change log

Author: sergeyklay

CHANGELOG.md

@@ -5,7 +5,7 @@ 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](https://github.com/sergeyklay/gohugo-theme-ed/compare/v0.1.0...HEAD)
+## [v0.2.0](https://github.com/sergeyklay/gohugo-theme-ed/compare/v0.1.0...v0.2.0)
 
 ### Added