feat: enhance user interface with CRT effects, update AboutMe and Projects sections, and add new Collab app

src/components/DesktopIcon/DesktopIcon.tsx

@@ -10,7 +10,9 @@ export default function DesktopIcon({ app, onOpen }: Props) {
   return (
     <div className="desktop-icon" onDoubleClick={onOpen}>
       <div className="desktop-icon-img" style={{ background: app.iconGradient }}>
-        <span>{app.emoji}</span>
+        {app.iconImage
+          ? <img src={app.iconImage} alt={app.title} style={{ width: '70%', height: '70%', objectFit: 'contain' }} />
+          : <span>{app.emoji}</span>}
       </div>
       <span className="desktop-icon-label">{app.title}</span>
     </div>