[TASK] Update changelog

CHANGELOG.md

@@ -4,6 +4,22 @@ 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).
 
+## [3.0.2]
+### Added
+* A `README.md` file was added
+
+[3.0.2]: https://github.com/bitmotion/typo3-secure-downloads/compare/3.0.1..3.0.2
+
+## [3.0.1]
+### Added
+* Changelog file
+
+### Changed
+* `cache_period` from TypoScript settings is now considered.
+
+[3.0.1]: https://github.com/bitmotion/typo3-secure-downloads/compare/3.0.0..3.0.1
+
+
 ## [3.0.0]
 ### Added
 * Support for TYPO3 v9