add changelog

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](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.1.0] - 2024-12-26
+
+### Changes
+
+- **License Update**
+  - Upgraded the project license from the [Community License for BlueLM Model](https://huggingface.co/vivo-ai/BlueLM-7B-Chat-4bits/blob/main/MODEL_LICENSE) to the [OpenAtom Model License](https://huggingface.co/vivo-ai/BlueLM-7B-Chat-4bits/blob/main/OpenAtom%20Model%20License.pdf).
+  - For detailed information, please refer to the [OpenAtom Model License](https://huggingface.co/vivo-ai/BlueLM-7B-Chat-4bits/blob/main/OpenAtom%20Model%20License.pdf) file.
+
+### Notes
+
+- This update primarily aims to make the project more open and flexible, serving a broader range of developers and users. Based on the OpenAtom Model License for large models, users can use, modify, and distribute the project's large models with fewer restrictions.
+- All contributors and users should review the new license terms to ensure their usage of the project aligns with the updated regulations.
+
+## [1.0.0] - 2024-03-25
+
+### Initial Release
+
+- Initial release of the project, including basic features and documentation.