Feat: Add Newsletter Subscription

[AsmitaMishra24]

Describe the feature

Subscription Form:

1. Design and implement a clean and user-friendly form for users to enter their email addresses.
2. Ensure the form is responsive and works well on both desktop and mobile devices.
3. Place the form on the homepage.

Add ScreenShots

Record

• I agree to follow this project's Code of Conduct
• I'm a GSSOC'24 contributor
• I want to work on this issue

[github-actions]

Congratulations, @AsmitaMishra24! 🎉 Thank you for creating your issue. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work!

We will promptly review your changes and offer feedback. Keep up the excellent work! Kindly remember to check our contributing guidelines