Adding CHANGELOG

Author: ryan-summers

CHANGELOG.md

@@ -0,0 +1,16 @@
+# Changelog
+
+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]
+
+### Changed
+* `usb-device` version bumped to v0.3.0
+
+
+
+[Unreleased]: https://github.com/stm32-rs/synopsys-usb-otg/compare/v0.3.2...HEAD
+[0.3.2]: https://github.com/stm32-rs/synopsys-usb-otg/compare/v0.3.2...v0.3.1