fix build error

Author: rasyidcode

app/page.tsx

@@ -4,7 +4,7 @@ import Image from "next/image";
 import { useEffect, useRef } from "react";
 
 export default function Page() {
-  const videoRef = useRef(null);
+  const videoRef = useRef<HTMLVideoElement>(null);
 
   useEffect(() => {
     const timer = setTimeout(() => {