fix: remove invalid <config> element in app/page.tsx

Replace incorrect React component with valid one.

#VERCEL_SKIP

Co-authored-by: Anders Lehmann Pier <3219386+AndersPier@users.noreply.github.com>

app/page.tsx

@@ -1,7 +1,9 @@
-"use client"
-
-import config from "../tailwind.config"
-
-export default function SyntheticV0PageForDeployment() {
-  return <config />
-}
+// app/page.tsx
+export default function HomePage() {
+  return (
+    <main className="flex min-h-screen flex-col items-center justify-center gap-4">
+      <h1 className="text-3xl font-bold">Markdown Editor</h1>
+      <p className="text-muted-foreground">Your application is up and running. Start editing!</p>
+    </main>
+  )
+}