Add CONTRIBUTING.md and CODE_OF_CONDUCT.md files to guide the contributors

@Aditya062003 Currently, the repository does not include guidelines for contributors or a community code of conduct. Adding these files will help standardize collaboration and maintain a welcoming and respectful environment.

Suggested Changes
Add CONTRIBUTING.md

Outline steps for setting up the project locally

Describe how to propose changes or report bugs

Mention guidelines for making pull requests

Include coding style and commit message format if applicable

Add CODE_OF_CONDUCT.md

Use the [Contributor Covenant](https://www.contributor-covenant.org/) or similar standard

Set clear expectations for behavior

Provide reporting guidelines for inappropriate conduct.