CHANGELOG update

Author: abogarsukov

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/); this project adheres to [Semantic Versioning](http://semver.org/).
 
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-## [0.2.0] - unreleased
+## [0.2.0] - 2019.07.10
 
 ### Added
 - Added `ConfigureAwait` extensions for built-in Unity async operations.