doc : CHANGELOG.md updated

CHANGELOG.md

@@ -5,8 +5,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- `generate` method `mode` parameter random mode
 ### Changed
 - Elapsed time added to CLI
+- `README.md` updated
 ## [1.4] - 2024-11-20
 ### Added
 - Command Line Interface (CLI)