Landing page new version

[sanjayk0508]

Landing page preview

https://github.com/notaryproject/notaryproject.dev/assets/102804548/def070c0-2604-49cd-b73e-0e0bb899a7de

This PR contains

• Redesign of Landing page: The landing page has been redesigned with consistent colors and a new user interface.
• Refactor: Thoroughly restructured each section of the home page to enhance the user experience.
• Mobile responsive: The interface is now fully responsive, ensuring a seamless experience for users accessing the application on small devices.

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