Adding code-of-conduct in repo.

[mohitd404]

why code-of-conduct:- We propose adding a comprehensive Code of Conduct to our repository to ensure
a safe, respectful, and inclusive environment for all contributors and users. This code will
serve as a guideline for behavior, promoting diversity, reducing conflicts, and attracting a
wider range of perspectives.

Issue type

• [✅] Docs

@thinkwee If you were planning this issue kindly assign it to me! I would love to work on it ! Thank you !

[Mayureshd-18]

I am not an admin of the repo.
Regards.

[wyifei26]

Thank you very much for your proposal. We will consider your pull request.