Update changelog

CHANGELOG.md

@@ -5,6 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [0.11.0] - 2021-03-05
+### Added
+- Added `version` entry to `manifest.json` in conformance with latest HA requirements.
+- Added hassfest GitHub Action for automatic validation of commits against HA requirements.
+
 ## [0.10.0] - 2021-01-17
 ### Fixed
 - Bad link in changelog
@@ -105,7 +110,8 @@ 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/v0.10.0...develop
+[Unreleased]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.11.0...develop
+[0.11.0]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.10.0...v0.11.0
 [0.10.0]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.9.3...v0.10.0
 [0.9.3]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.9.2...v0.9.3
 [0.9.2]: https://github.com/snarky-snark/home-assistant-variables/compare/v0.9.1...v0.9.2