chore: add home page with information on local API

src/app/(app)/page.tsx

@@ -0,0 +1,54 @@
+import Example from '@/components/Example'
+import Link from 'next/link'
+import React from 'react'
+
+const Page = () => {
+  return (
+    <article className={['container'].filter(Boolean).join(' ')}>
+      <h1>
+        Payload 3.0 <span className='rainbow'>ALPHA</span>!
+      </h1>
+      <p>
+        This alpha is rapidly evolving, you can report any bugs against{' '}
+        <a href='https://github.com/payloadcms/payload-3.0-alpha-demo/issues' target='_blank'>
+          the repo
+        </a>{' '}
+        or in the{' '}
+        <a href='https://discord.com/channels/967097582721572934/1215659716538273832' target='_blank'>
+          dedicated channel in Discord
+        </a>
+        .
+      </p>
+
+      <p>
+        <strong>
+          Payload is running at <Link href='/admin'>/admin</Link>
+        </strong>
+      </p>
+
+      <p>
+        <Link href='/my-route' target='_blank'>
+          /my-route
+        </Link>{' '}
+        contains an example of a custom route running the Local API.
+      </p>
+
+      {/* Commented out for now due to bug */}
+      {/* <Example /> */}
+
+      <p>You can use the Local API in your server components like this:</p>
+      <pre>
+        <code>
+          {`import { getPayload } from 'payload'
+const payload = await getPayload()
+
+const data = await payload.find({
+  collection: 'posts',
+})`}
+        </code>
+      </pre>
+    </article>
+  )
+}
+
+export default Page