Update license line in Python files

[UltralyticsAssistant]

This pull request updates or adds the license line to the beginning of each Python file.

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated license wording in multiple project files to include a direct link to the Ultralytics license page.

📊 Key Changes

• Added reference link to Ultralytics license in .github/workflows/format.yml.
• Modified pyproject.toml to include the license link.
• Updated license details in __init__.py and module1.py.
• Revised licensing information in test files.

🎯 Purpose & Impact

• Enhanced Clarity: Including a direct link to the license document ensures that users can easily access and understand the licensing terms.
• Consistency: All project files now uniformly reference the official Ultralytics license page.
• User Convenience: Reducing confusion and improving the ease of finding legal terms benefits both new and existing users.