feat: update website design and assets

- Replaced multiple hero and background images with new optimized versions
- Removed unused image assets from public/images directory
- Updated typography styles:
  - Removed italic styling from various text components
  - Made eyebrow text uppercase
  - Adjusted H1 font size from 6xl to 5xl on mobile
- Redesigned HomeAurora component with new layout and background
- Added Mulish as primary font family in Tailwind config
- Updated text formatting and spacing

src/components/ui/layout-text-flip.tsx

@@ -33,7 +33,7 @@ export const LayoutTextFlip = ({
 
       <motion.span
         layout
-        className="relative w-fit overflow-hidden px-2 py-2 font-medium italic tracking-tight"
+        className="relative w-fit overflow-hidden px-2 py-2 font-medium tracking-tight"
       >
         <AnimatePresence mode="popLayout">
           <motion.span