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)/admin/[[...segments]]/page.tsx

@@ -0,0 +1,27 @@
+/* THIS FILE WAS GENERATED AUTOMATICALLY BY PAYLOAD. */
+/* DO NOT MODIFY IT BECAUSE IT COULD BE REWRITTEN AT ANY TIME. */
+import type { Metadata } from 'next';
+
+import { RootPage, generatePageMetadata } from '@payloadcms/next/views';
+import config from '../../../../payload.config';
+import { importMap } from '../importMap';
+
+type Args = {
+  params: Promise<{
+    segments: string[];
+  }>;
+  searchParams: Promise<{
+    [key: string]: string | string[];
+  }>;
+};
+
+export const generateMetadata = ({
+  params,
+  searchParams,
+}: Args): Promise<Metadata> =>
+  generatePageMetadata({ config, params, searchParams });
+
+const Page = ({ params, searchParams }: Args) =>
+  RootPage({ config, params, searchParams, importMap });
+
+export default Page;