fix: add type annotation for mouse event in handleMouseMove function

Author: codeaashu

src/app/page.tsx

@@ -45,7 +45,7 @@ export default function LandingPage() {
   const [isVisible, setIsVisible] = useState(false);
 
   useEffect(() => {
-    const handleMouseMove = (e) => {
+    const handleMouseMove = (e: MouseEvent) => {
       setMousePosition({ x: e.clientX, y: e.clientY });
       setIsVisible(true);
     };