Updated README.md

[abhinav-m22]

🛠️ Fixes Issue #146

👨‍💻 Changes proposed:

Updated the Readme file with contributors and license section. Also made the links in the index functional.

📷 Screenshots

✔️ Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] The title of my pull request is a short description of the requested changes.
• [x] I am a participant of GSSOC23