message: Prepare to release v2.1.0
diff: @@ -11,7 +11,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  appropriate.
  -->
  -## Unreleased
  +<!-- ## Unreleased -->
  +
  +## 2.1.0 - 2017-12-21
  +
  - Autocomplete slot names inside `slot=""` attributes based on the declared
  slots of the parent element.
  - Autocomplete css custom property names. In use sites, complete to any
  