feat: Add Google Cast functionality and controls to the desktop player.

components/ui/icons/media-icons.tsx

@@ -110,4 +110,13 @@ export const MediaIcons = {
             <polygon points="12 15 17 21 7 21 12 15" />
         </svg>
     ),
+
+    Cast: ({ className = "", size = 24 }: IconProps) => (
+        <svg width={size} height={size} viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" className={className}>
+            <path d="M2 8V6a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2h-6" />
+            <path d="M2 12a9 9 0 0 1 8 8" />
+            <path d="M2 16a5 5 0 0 1 4 4" />
+            <line x1="2" y1="20" x2="2.01" y2="20" />
+        </svg>
+    ),
 };