[Chore] Update contributing guidelines and local setup documentation

[Gautam25Raj]

Summary

This PR updates the contributing guidelines and local development setup instructions to improve onboarding clarity, contributor workflows, and overall developer experience.

Improvements

Contributing Guidelines

• Updated contributing documentation for better clarity
• Improved contribution workflow explanations
• Refined project collaboration guidance and expectations

Local Development Setup

• Improved local setup instructions for easier onboarding
• Clarified development environment configuration steps
• Updated workflow documentation for improved consistency

Documentation Enhancements

• Improved readability and organization across setup documentation
• Simplified developer onboarding experience
• Enhanced maintainability of contributor documentation

Notes

• No breaking changes
• Focused on contributor experience and development workflow clarity

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📝 Documentation update
• 🧪 Tests (adding or updating tests)

Checklist

• I have read the CONTRIBUTING.md document.
• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.
• Any dependent changes have been merged and published in downstream modules.