Update changelog

CHANGELOG.md

@@ -4,6 +4,8 @@ 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]
+
+## [0.8.0] - 2019-10-06
 ### Added
 - Added more documentation on template parameters.
 - Added HACS manifest.
@@ -77,7 +79,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Variable updates occur when the state of any tracked entity changes.
 - README with initial documentation.
 
-[Unreleased]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.7.0...develop
+[Unreleased]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.8.0...develop
+[0.8.0]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.7.0...v0.8.0
 [0.7.0]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.6.0...v0.7.0
 [0.6.0]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.5.0...v0.6.0
 [0.5.0]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.4.0...v0.5.0