codeofconduct

---

## 4. `CODE_OF_CONDUCT.md`  
Sets a professional, welcoming tone—standard for open-source:

```markdown
# Contributor Covenant Code of Conduct

## Our Pledge
We as members, contributors, and leaders pledge to make participation in our community
a harassment-free experience for everyone, regardless of age, body size, disability,
ethnicity, gender identity, level of experience, nationality, personal appearance, race,
religion, or sexual identity and orientation.

## Our Standards
Examples of behavior that contributes to a positive environment for our community include:
- Using welcoming and inclusive language
- Being respectful of differing viewpoints and experiences
- Gracefully accepting constructive criticism
- Focusing on what is best for the community

Examples of unacceptable behavior:
- Harassment, intimidation, or discrimination in any form
- Sustained disruption of community events
- Trolling, insulting/derogatory comments

## Enforcement
Project maintainers are responsible for clarifying and enforcing this code of conduct.

For any concerns, please contact: [your_email@example.com].