refactor(cal): Modularize booking page components

Decompose the booking page into smaller, reusable components
for improved code organization and readability. Split the
existing monolithic component into separate Header,
BookingButton, and FAQ sections, making the code more
maintainable and easier to understand.

Author: ComputelessComputer

apps/web/src/components/not-found.tsx

@@ -72,7 +72,7 @@ function Header() {
                 Get Started
               </Link>
               <Link
-                to="/downloads"
+                to="/download"
                 className="px-4 h-8 flex items-center text-sm bg-linear-to-t from-stone-600 to-stone-500 text-white rounded-full shadow-md hover:shadow-lg hover:scale-[102%] active:scale-[98%] transition-all"
               >
                 Download