Add i18n support with Next.js App Router and Dictionaries

app/[lang]/page.tsx

@@ -0,0 +1,17 @@
+import { redirect } from "next/navigation";
+import { auth } from "@/auth";
+
+export default async function HomePage(
+  props: {
+    params: Promise<{ lang: string }>;
+  }
+) {
+  const params = await props.params;
+
+  const session = await auth();
+  if (session) {
+    redirect(`/${params.lang}/dashboard`);
+  } else {
+    redirect(`/${params.lang}/login`);
+  }
+}