feat: implement responsive landing page for helm-inspect

# Description
- Design a clean, modern, and minimalistic landing page for Helm Inspect in Figma.
- Ensure full responsiveness across desktop, tablet, and mobile devices.
- Use Styled Components for modular and maintainable styling.
- Implement Framer Motion for smooth animations and transitions.
- Link documentation and Qreater GitHub page to the website, and host it in vercel.