App router migration analytics (#1123)

* Add basic Root Layout

* Add metadata

* Add reference included by next

* Add comment to explain the default meta tags

* Add public testing page to check the migration

* Remove non required file

* Create Analytics component

* Add analytics to root layout

* Update layout.tsx

---------

Co-authored-by: eleanorreem <eleanor.reem@hotmail.co.uk>

app/layout.tsx

@@ -1,9 +1,9 @@
+import Analytics from '../components/head/Analytics';
 import GoogleTagManagerScript from '../components/head/GoogleTagManagerScript';
 import ErrorBoundary from '../components/layout/ErrorBoundary';
 import rootMetadata from './rootMetadata';
 import RollbarScript from '../components/head/RollbarScript';
 import ThemeRegistry from './ThemeRegistry';
-import rootMetadata from './rootMetadata';
 
 export const metadata = rootMetadata;
 
@@ -26,6 +26,7 @@ export default function RootLayout({
         <ErrorBoundary>
           <ThemeRegistry>{children}</ThemeRegistry>
         </ErrorBoundary>
+        <Analytics />
       </body>
     </html>
   );

components/head/Analytics.tsx

@@ -0,0 +1,13 @@
+import { Analytics as VercelAnalytics } from '@vercel/analytics/react';
+import { Hotjar } from 'nextjs-hotjar';
+
+export default function Analytics() {
+  return (
+    <>
+      {!!process.env.NEXT_PUBLIC_HOTJAR_ID && process.env.NEXT_PUBLIC_ENV !== 'local' && (
+        <Hotjar id={process.env.NEXT_PUBLIC_HOTJAR_ID} sv={6} strategy="lazyOnload" />
+      )}
+      <VercelAnalytics />
+    </>
+  );
+}