docs: Next/analytics (#619)

* add site analytics

* fix analytics

Author: YousefED

docs/pages/_app.tsx

@@ -1,4 +1,5 @@
 // import "../custom.css";
+import { Analytics } from "@vercel/analytics/react";
 import { SessionProvider } from "next-auth/react";
 import type { AppProps } from "next/app";
 import { type ReactNode } from "react";
@@ -17,6 +18,7 @@ export default function Nextra({ Component, pageProps }: NextraAppProps) {
     <>
       <SessionProvider>
         <Component {...pageProps} />
+        <Analytics />
       </SessionProvider>
     </>
   );