Update changelog to proper format

CHANGELOG.md

@@ -5,8 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [Unreleased]
 
+[0.0.2] 2022-07-08
 ### Added
 - initial signatures
 - readme for documentation on their design, usage, and installation
+- signature for alicloud access keys [#004][004]
+
+[Unreleased]: https://github.com/N0MoreSecr3ts/wraith-signatures/compare/0.0.2...HEAD
+[0.0.2]: https://github.com/N0MoreSecr3ts/wraith-signatures/releases/tag/0.0.2
+
+[004]: https://github.com/N0MoreSecr3ts/wraith-signatures/pull/4