Update CHANGELOG.md for 1.6.0

Author: blazejkustra

CHANGELOG.md

@@ -7,6 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
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+
+### Changed
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+
+### Fixed
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+## [1.6.0] - 2025-10-21
+
 ### Added
 - JSDoc documentation was added to the project ([#40](https://github.com/blazejkustra/dynamode/pull/40))
 - Enhanced entity conversion to handle attribute selection in EntityManager `get()` and `batchGet()` methods