Moved admin to /admin and created blank placeholder for v2 frontend

web/components/layouts/simple-layout.tsx

@@ -0,0 +1,11 @@
+import { AppProps } from 'next/app';
+
+function SimpleLayout({ Component, pageProps }: AppProps) {
+  return (
+    <div>
+      <Component {...pageProps} />
+    </div>
+  );
+}
+
+export default SimpleLayout;