Add Contribution Guidelines and License Section in README

[dimpal-yadav]

What would you like to share?

Description
Currently, the README.md does not have a Contribution section and the License section is either missing/not clearly visible.
Adding these two sections will make the project more professional, contributor-friendly, and compliant with open-source standards.

🎯 Acceptance Criteria
Contribution section added in README.md
License section added in README.md
Link to CONTRIBUTING.md and LICENSE file included

Additional information

No response

[Mazen050]

I would like to do this.