feat: enhance styling and layout with new fonts, animations, and section dividers

- Updated font links to include "Space Grotesk" alongside "Inter".
- Refactored App component to include scroll reveal animations for sections.
- Added SectionHeader and Divider components for better section organization.
- Improved button styles and hover effects for better user interaction.
- Enhanced overall color scheme and background gradients for a modern look.
- Introduced new CSS animations for fade-in effects and scroll-triggered reveals.
- Updated Navbar component to use consistent background colors.
- Adjusted Tailwind CSS configuration to include new color and font settings.

Author: DDH2004