[Add] contributing.md

[naman9271]

Description

This pull request adds a new CONTRIBUTING.md file to the repository. The new file provides detailed guidelines for:

• Reporting bugs
• Suggesting enhancements
• Submitting pull requests
• Following coding standards and commit message guidelines

This should help improve overall contribution quality and provide a clear roadmap for new contributors.

Fixes issue: #43

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• Documentation update (adding missing CONTRIBUTING.md)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

• Verified that the file is included in the repository root.
• Reviewed the guidelines for clarity and completeness.
• Ensured that links (such as Code of Conduct) are correctly referenced.

Checklist

• My code (documentation) follows the style guidelines of this project.
• I have performed a self-review of my own changes.
• I have updated or created documentation as needed.
• My changes generate no new warnings.
• Any dependent changes have been merged and published in downstream modules.

Additional Comments

Please review the new CONTRIBUTING.md file for any additional changes or improvements. I welcome any suggestions to further refine our contribution guidelines.

[naman9271]

@Shubh942 have a look in this contribution guide and let me know if there any other change it requires