docs: add CODE_OF_CONDUCT.md and MIT LICENSE

[dinilH]

📝 Description

This PR adds essential documentation files to improve the project's governance and legal clarity.

✨ Changes Made

• ✅ Added CODE_OF_CONDUCT.md - Establishes community guidelines and expected behavior
• ✅ Added LICENSE - MIT License to clarify usage rights and permissions

🎯 Purpose

• CODE_OF_CONDUCT.md: Provides a safe and inclusive environment for all contributors by defining acceptable behavior and enforcement procedures
• LICENSE: Legally protects the project while allowing open-source collaboration under MIT License terms

📋 Type of Change

• Bug fix
• New feature
• Documentation update
• Code refactoring
• Performance improvement

✅ Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my changes
• I have commented my code where necessary
• My changes generate no new warnings
• I have read and followed the CONTRIBUTING guidelines

🔗 Related Issues

Closes #[issue_number] (if applicable)

📸 Screenshots (if applicable)

N/A - Documentation files only

🙌 Additional Context

These files are standard best practices for open-source projects and will help:

• Make the repository more welcoming to new contributors
• Provide clear legal framework for code usage
• Meet Hacktoberfest quality standards
• Improve project professionalism

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