updated changelog

CHANGELOG.md

@@ -7,4 +7,10 @@ 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]
+## [0.1.0]
+
+Initial release
+
+[Unreleased]: https://github.com/winpax/sprinkles/compare/v0.1.0...HEAD
+
+[0.1.0](https://github.com/winpax/sprinkles/releases/tag/v0.1.0)