add vercel analytics

pages/_app.tsx

@@ -1,4 +1,5 @@
 export { reportWebVitals } from 'next-axiom'
+import { Analytics } from '@vercel/analytics/react';
 import { useEffect } from 'react'
 
 import type { AppProps } from 'next/app'
@@ -41,6 +42,7 @@ export default function MyApp({
           ) : (
             <Component {...pageProps} />
           )}
+          <Analytics />
         </Layout>
       </SessionProvider>
     </div>