chore:added changelog file

Author: edro15

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
+
+
+## [v2.4.1] - 2024-04-03
+
+### Changed
+
+- Updated dependencies.
+- Updated CI/CD pipelines.
+
+## [v2.4.0] - 2021-09-30
+
+### Added
+
+- Added NOTICE file.
+
+### Fixed
+
+- Compliance with Splunkbase submission request.
+
+## [v2.3.0] - 2021-09-06
+
+### Added
+
+- Compliancy with cloud vetting report.
+- Dashboard to showcase visualizations.
+
+### Changed
+
+- Updated dependencies.
+
+## [v2.2.0] - 2019-06-2017
+
+### Added
+
+- Multiple axes visualization.
+
+### Changed
+
+- Minor changes to the OHLC dark mode visualization style.