### Commit Message
- Integrated Google OSS Licenses Plugin to display the licenses of third-party libraries used in the app.
- Added the plugin to app-level Gradle file and included the required dependencies.
- Created a pre-built activity (`OssLicensesMenuActivity`) to show the licenses, accessible via a button/menu.
- Verified the implementation, ensuring the licenses are displayed correctly.
- Tested on release builds to confirm functionality and compliance.
This implementation ensures transparency and complies with open-source license requirements.