Describe the documentation

To foster an inclusive and welcoming community, we should add a Code of Conduct to this repository. This will set clear expectations for behavior and guide on reporting issues.

Proposed Solution

• Add a CODE_OF_CONDUCT.md file at the root of the repository.
• Adopt a standard template such as the Contributor Covenant (v2.1).
• Update the README.md to include a link to the Code of Conduct.

Benefits

• Encourages positive and respectful interactions among contributors.
• Provides a clear process for reporting misconduct.
• Signals that this project is committed to diversity and inclusion.