[Documentation Update]: Update CONTRIBUTING.md with a section on testing

[DDibyajyot]

Is there an existing issue for this?

• I have searched the existing issues

Issue Description

need to update the contributing.md and link it to the testing guidelines documentation
Also need to shift the testing guidelines to the root directory of frontend instead of test folders.

Suggested Change

1. Change current contributing documentation
2. Shift the location of the testing guidelines

Rationale

No response

Urgency

Medium

Record

• I have read the Contributing Guidelines
• I have starred the repository

[github-actions]

Thank you for creating this issue! 🎉 We'll look into it as soon as possible. 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.

[github-actions]

Hello @DDibyajyot! Your issue #99 has been closed. Thank you for your contribution!