[FEATURE] Add Newsletter Subscription Section to Footer

[dimpal-yadav]

Description:
We should add a Newsletter Subscription section to the website footer to allow users to subscribes. This will help in building a community and providing users with special offers.

Acceptance Criteria:
The newsletter section appears in the footer of all pages.
The section includes a field for entering email, a "Subscribe" button, and a "No thanks" button.
The Terms of Service and Privacy Policy links are included and clickable.
Responsive design: should look good on both desktop and mobile.