updated changelog

Author: Yaroslav

CHANGELOG.md

@@ -8,10 +8,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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 ## [1.0.0]() - _2021-10-05_
+
 ### Added
+
 * Taken https://github.com/goprerender/prerender as a base
 * Added support to pass `STORAGE_URL` environment variable
 * Dockerized goprerender server and storage
 * Added docker-compose example and Makefile commands for faster setup
 
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+
+## [1.1.0]() - _2022-05-13_
+
+### Added
+
+* Added an ability to purge all cache by sending `Cache-Control: must-revalidate` or `Clear-Site-Data: *` header to the
+  prerender request
+
+-------------------------------------------------------------------------