feat: integrate payload cms to landing page (#25)

* feat: integrate payload cms to landing page

* feat: add payload configuration and update TypeScript target

* fix: update TypeScript paths for payload configuration

* refactor: update config import paths to use local payload.config

* fix: update quotation marks for testimonials to use HTML entities

* fix: include withPayload in Next.js plugins for proper configuration

apps/landing/src/app/(payload)/layout.tsx

@@ -0,0 +1,35 @@
+/* THIS FILE WAS GENERATED AUTOMATICALLY BY PAYLOAD. */
+/* DO NOT MODIFY IT BECAUSE IT COULD BE REWRITTEN AT ANY TIME. */
+import '@payloadcms/next/css';
+import { handleServerFunctions, RootLayout } from '@payloadcms/next/layouts';
+import type { ServerFunctionClient } from 'payload';
+import React from 'react';
+import config from '../../payload.config';
+
+import { importMap } from './admin/importMap.js';
+import './custom.scss';
+
+type Args = {
+  children: React.ReactNode;
+};
+
+const serverFunction: ServerFunctionClient = async function (args) {
+  'use server';
+  return handleServerFunctions({
+    ...args,
+    config,
+    importMap,
+  });
+};
+
+const Layout = ({ children }: Args) => (
+  <RootLayout
+    config={config}
+    importMap={importMap}
+    serverFunction={serverFunction}
+  >
+    {children}
+  </RootLayout>
+);
+
+export default Layout;