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/next.config.js

@@ -2,6 +2,7 @@
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const { composePlugins, withNx } = require('@nx/next');
+const { withPayload } = require('@payloadcms/next/withPayload');
 
 /**
  * @type {import('@nx/next/plugins/with-nx').WithNxOptions}
@@ -14,9 +15,6 @@ const nextConfig = {
   },
 };
 
-const plugins = [
-  // Add more Next.js plugins to this list if needed.
-  withNx,
-];
+const plugins = [withNx, withPayload];
 
 module.exports = composePlugins(...plugins)(nextConfig);