Binomial theorem

[swastik-akhil]

🛠️ Issue (#1159 )

👨‍💻 Changes proposed

Added Binomial Theorem Code in all 4 languages.

✔️ Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

📷 Screenshots

[github-actions[bot]]

Thanks for your contribution we will soon check your PR @swastik-akhil :)

[swastik-akhil]

@072arushi kindly review.