Add license details

README.md

@@ -7,3 +7,20 @@ Download the correct file for your OS below:
 - [Windows](https://github.com/samirg1/ALTER-SMX-Tool//releases/latest/download/AutoSMX.zip) (.exe)
 - [Mac](https://github.com/samirg1/ALTER-SMX-Tool//releases/latest/download/AutoSMX.dmg) (.dmg)
 
+---
+## License
+
+This project is licensed under the [Creative Commons Attribution-NonCommercial 4.0 International License](https://creativecommons.org/licenses/by-nc/4.0/).
+
+You are free to:
+- Share — copy and redistribute the material in any medium or format
+- Adapt — remix, transform, and build upon the material
+
+Under the following terms:
+- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
+- Non-Commercial — You may not use the material for commercial purposes without obtaining prior written permission from the copyright holder.
+
+No additional restrictions 
+— You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
+
+For more details, please see the [full license terms](https://creativecommons.org/licenses/by-nc/4.0/legalcode).