Add CODE_OF_CONDUCT.md file to the repository

[Brijeshthummar02]

Issue Description: Would it be possible to add a CODE_OF_CONDUCT.md file to the repository? This file would establish community guidelines for contributor behavior, helping to create a positive and inclusive environment for all participants. Having a clear code of conduct can set expectations, prevent conflicts, and encourage respectful collaboration within the project.

[github-actions]

Thanks for creating the issue in SkillWise!
Before you start working on your PR, please make sure to:

• ⭐ Star the repository if you haven't already.
• Pull the latest changes to avoid any merge conflicts.
• Attach before & after screenshots in your PR for clarity.
• Include the issue number in your PR description for better tracking.
  Don't forget to follow @PriyaGhosal – Project Maintainer – & @anuragverma108 – Project Collaborator – for more updates!

We're excited to see your contribution as part of Hacktoberfest 2024! 🎉
Happy open-source contributing!

[github-actions]

Thank you for creating this issue! 🎉 Your issue will soon be reviewed by Project Maintainers. In the meantime, please make sure to provide all the necessary details and context. If you have any questions or additional information, feel free to add them here. Your contributions are highly appreciated! 😊

You can also check our CONTRIBUTING.md for guidelines on contributing to this project.