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/pages/agents/AgentsHeroAlt.tsx

@@ -7,7 +7,7 @@ export function AgentsHeroAlt() {
   return (
     <div
       style={{
-        backgroundImage: "url(/images/agentshero.png)",
+        backgroundImage: "url(/images/agentshero2.png)",
         backgroundSize: "cover",
         backgroundPosition: "center",
       }}