Merge pull request #439 from MangoInstantMessenger/release/0.2.0

CHANGELOG.md updated

CHANGELOG.md

@@ -5,10 +5,14 @@ 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 v2.0.0](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [v0.2.0]
 
 ### Changed
 
+- Realtime flow improved, few issues are fixed
+- Angular version bump to 15.2.2
+- Reply to message feature (by [@Ketteiteki](https://github.com/Ketteiteki))
+- Message attachment UI improvement (by [@Ketteiteki](https://github.com/Ketteiteki))
 - Angular app API url is transformed during CI/CD build
 - Angular app API url parameter is moved to config.json file
 - Azure storage account for terraform state is created via Azure Pipelines