chore: add CODE_OF_CONDUCT.md

[german-boop]

Added Contributor Covenant Code of Conduct v2.0 to define community standards
and reporting procedures for unacceptable behavior. This ensures the repository
follows GitHub best practices and promotes a safe, welcoming environment for contributors.

Summary by CodeRabbit

• Chores
  • Added Community Code of Conduct detailing community standards, acceptable and unacceptable behaviors, enforcement responsibilities, and procedures for contributors and community members.

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[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

A CODE_OF_CONDUCT.md file has been added to establish community standards and guidelines for contributors. The document outlines the pledge, acceptable and unacceptable behaviors, enforcement responsibilities, reporting procedures, and consequences framework using the Contributor Covenant.

Changes

Cohort / File(s)	Summary
Community Documentation CODE_OF_CONDUCT.md	New file with Contributor Covenant Code of Conduct; includes pledge, community standards, acceptable/unacceptable behaviors, enforcement responsibilities, reporting via GitHub Issues, scope, tiered consequence guidelines, and attribution

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Suggested labels

documentation

Poem

🐰 A code of conduct hops into place,
Where kindness and respect embrace,
No toxins here, just harmony's song,
Together we build where all belong! 🌿

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 71354ea and b232c7a.

📒 Files selected for processing (1)

• CODE_OF_CONDUCT.md

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