Update changelog

Author: genail

CHANGELOG.md

@@ -4,6 +4,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [3.0.2]
+### Added
+- Info how to fix JSON dll issue
+- Asset Store tools and internal tools
+
+### Changed
+- Forcing torrent-client executable flag before start
+
+### Fixed
+- TorrentDownloader: Possible NullReferenceException on Dispose()
+
 ## [3.0.1]
 ### Fixed
 - Linux application were not started correctly