chore: add 1.1.0 changelog notes

Author: metonym

CHANGELOG.md

@@ -5,8 +5,13 @@ 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 -->
+<!-- ## Unreleased -->
+
+## [1.1.0](https://github.com/metonym/posthtml-hash/releases/tag/v1.1.0) - 2020-07-16
+
+- Add custom `pattern` option for matching file names
+
+- Add `hashLength` option to override default hash length
 
 ## [1.0.0](https://github.com/metonym/posthtml-hash/releases/tag/v1.0.0) - 2020-05-09