feat: redirect to old document if necessary

apps/next/src/app/(home)/page.tsx

@@ -5,6 +5,7 @@ import { Feature } from "@/components/feature";
 import { NpmInstall } from "@/components/npm-install";
 import { TextEffect } from "@/components/text-effect";
 import { Button } from "@/components/ui/button";
+import { DOCUMENT_URL } from "@/lib/const";
 import { SiStackblitz } from "@icons-pack/react-simple-icons";
 import { Bot, Terminal } from "lucide-react";
 import Link from "next/link";
@@ -26,7 +27,7 @@ export default function HomePage() {
       </div>
 
       <div className="flex flex-wrap justify-center gap-4">
-        <Link href="/docs/llamaindex">
+        <Link href={DOCUMENT_URL}>
           <Button variant="outline">Get Started</Button>
         </Link>
         <NpmInstall />

apps/next/src/app/[...any]/page.tsx

@@ -0,0 +1,11 @@
+import { DOCUMENT_URL } from "@/lib/const";
+import { redirect } from "next/navigation";
+
+export default async function Page(props: {
+  params: Promise<{
+    any: string[];
+  }>;
+}) {
+  const path = await props.params.then(({ any }) => any.join("/"));
+  return redirect(new URL(path, DOCUMENT_URL).toString());
+}

apps/next/src/lib/const.ts

@@ -0,0 +1,2 @@
+// when we are ready, change to /docs/llamaindex
+export const DOCUMENT_URL = 'https://old.ts.llamaindex.ai/'