set up routing

packages/docs-new/src/routes.tsx

@@ -0,0 +1,20 @@
+import { Route, Routes } from "react-router"
+import { Link } from "react-router-dom"
+import { DocumentPage } from "./document-page"
+import { LandingPage } from "./landing-page"
+
+export function AppRoutes() {
+  return (
+    <>
+      <nav>
+        <Link to="/">Home</Link>
+        <Link to="docs/getting-started">Getting Started</Link>
+        <Link to="docs/api">API Reference</Link>
+      </nav>
+      <Routes>
+        <Route path="/" element={<LandingPage />} />
+        <Route path="docs/*" element={<DocumentPage />} />
+      </Routes>
+    </>
+  )
+}