prepare for v0.3.0 release

CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+
+## [v0.3.0]
 - added bascule for authentication
 - added api/v1 to path
 - reworked webhookclient to be more generic
@@ -26,7 +28,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [v0.1.0] Tue May 07 2020 Jack Murdock - 0.1.0
 - initial creation
 
-[Unreleased]: https://github.com/xmidt-org/argus/compare/v0.2.1...HEAD
+[Unreleased]: https://github.com/xmidt-org/argus/compare/v0.3.0...HEAD
+[v0.3.0]: https://github.com/xmidt-org/argus/compare/v0.2.1...v0.3.0
 [v0.2.1]: https://github.com/xmidt-org/argus/compare/v0.2.0...v0.2.1
 [v0.2.0]: https://github.com/xmidt-org/argus/compare/v0.1.1...v0.2.0
 [v0.1.1]: https://github.com/xmidt-org/argus/compare/v0.1.0...v0.1.1