docs: Add @vercel/analytics

docs/src/pages/index.js

@@ -5,6 +5,7 @@ import Link from '@docusaurus/Link';
 import useDocusaurusContext from '@docusaurus/useDocusaurusContext';
 import useBaseUrl from '@docusaurus/useBaseUrl';
 import styles from './styles.module.css';
+import { Analytics } from '@vercel/analytics/react'
 
 const features = [
   {
@@ -86,6 +87,8 @@ function Home() {
             </div>
           </section>
         )}
+
+        <Analytics />
       </main>
     </Layout>
   );