Added Code of Conduct | NSoC'26

[DivyaJain-DataAnalyst]

📋 Description

• Added a formal Code of Conduct (CODE_OF_CONDUCT.md) for the rent-mate project under NSoC’26.
• This document outlines the community guidelines, values, scope, reporting process, and enforcement measures to ensure a safe, inclusive, and professional environment for contributors.

Fixed Issue #41

🔍 Type of Change

• Bug fix 🐞
• New feature ✨
• Documentation update 📝
• Refactoring or code improvement ♻️
• Other (please describe):

🙋 Your Details

• Name: Divya Jain
• Email ID: divya_239179@saitm.ac.in

🧪 How Has This Been Tested?

• Verified the file renders properly in Markdown on local.
• Ensured all sections are structured and linked references open correctly.
• Reviewed for formatting consistency with project standards.

📸 Screenshots

✅ Checklist

• I have read the contributing guidelines.
• I have followed the code style and linting rules.
• I have added tests or explained why not.
• I have updated documentation (if needed).
• My changes do not introduce any known security issues or vulnerabilities.