README: add CLA

README.md

@@ -21,4 +21,39 @@ Unlike the Yocto BMAP tool, `bmap-writer` is C++ based does not require Python a
 
 ```
 bmap-writer <image-file> <bmap-file> <target-device>
-```
+```
+
+## License
+
+This project is licensed under the terms of the **GNU General Public License v3 (GPLv3)**.
+You are free to use, modify, and distribute this software under the conditions outlined in the GPLv3 license.
+
+For more information about the GPLv3 license, refer to the [LICENSE](LICENSE) file in this repository or visit [GNU's official page](https://www.gnu.org/licenses/gpl-3.0.html).
+
+---
+
+## Commercial License
+
+For organizations or individuals requiring the use of `bmap-writer` in proprietary applications or with different licensing terms, a **commercial license** is available.
+
+The commercial license provides:
+- **Proprietary Use**: Freedom from the obligations imposed by the GPLv3 license.
+- **Additional Features and Support**: Priority access to updates, integration help, and extended documentation.
+- **Customization Options**: Tailored development and deployment solutions.
+
+To obtain a commercial license or inquire further, please contact:
+**[[email protected]]**
+
+---
+
+## Implicit Contributor License Agreement (CLA)
+
+By submitting a pull request to this repository, you agree to the following terms:
+
+1. You certify that your contribution is your original work or that you have the necessary rights to submit it.
+2. You grant the project maintainers a perpetual, worldwide, non-exclusive, royalty-free, irrevocable license to:
+   - Use, modify, sublicense, and distribute your contribution under the terms of the **GPLv3**.
+   - Use, modify, sublicense, and distribute your contribution under alternative licenses, including commercial licenses.
+3. You understand that you retain the copyright to your contribution but agree it may be relicensed under these terms.
+
+---