Add Next.js starter (app/page.js)

app/page.js

@@ -0,0 +1,21 @@
+export default function Home() {
+  return (
+    <main
+      style={{
+        minHeight: '100vh',
+        display: 'flex',
+        flexDirection: 'column',
+        alignItems: 'center',
+        justifyContent: 'center',
+        gap: '1rem',
+        background: '#0a0a0a',
+        color: '#ededed',
+      }}
+    >
+      <h1 style={{ fontSize: '3rem', margin: 0 }}>Claude test</h1>
+      <p style={{ color: '#888' }}>
+        Next.js starter deployed via Claude &rarr; Cortex &rarr; Gitea &rarr; Coolify
+      </p>
+    </main>
+  );
+}