docs: add license file to repository

[annchance]

Description

This PR adds a LICENSE file to the repository, ensuring clarity on the project's licensing terms.

Changes

• Added LICENSE file with the appropriate license.

Why?

• Defines the project's legal terms for contributors and users.
• Improves transparency and compliance with open-source standards.

Related Issues

N/A

Checklist

• [x] The license type is correctly chosen.
• [x] The file follows standard formatting.
• [x] No unintended changes were made.

[robodoo]