Revise license section in README

Updated license information to reflect the Prometheus License and commercial use conditions.

Author: levno-710

readme.md

@@ -53,5 +53,16 @@ can be used instead of
 lua ./cli.lua [options]
 ```
 
-## License
-This Project is Licensed under the GNU Affero General Public License v3.0. For more details, please refer to [LICENSE](https://github.com/levno-710/Prometheus/blob/master/LICENSE).
+## License and Commercial Use
+
+Prometheus is licensed under the Prometheus License, a modified MIT-style license.
+You are free to use, modify, and distribute this software, including for commercial purposes, under the following conditions:
+ - Any commercial product, wrapper, or service (including SaaS or hosted solutions) that uses or integrates Prometheus must include clear attribution to:
+```
+Based on Prometheus by Elias Oelschner, https://github.com/prometheus-lua/Prometheus
+```
+ - The attribution must be visible in the product’s UI, documentation, or public website.
+ - The obfuscated output files generated by Prometheus do not need to include any license or copyright notice.
+ - Derivative works and public forks must also include a statement in their README noting that they are based on Prometheus.
+
+Full license text: [Prometheus License](https://github.com/levno-710/Prometheus/blob/master/LICENSE)