fix(guide): optimize redirects on middleware level

apps/guide/src/app/guide/page.tsx

@@ -1,5 +1,3 @@
-import { redirect } from 'next/navigation';
-
 export default function Page() {
-	redirect('/guide/home/introduction');
+	return null;
 }

apps/guide/src/middleware.ts

@@ -5,5 +5,5 @@ export default async function middleware(request: NextRequest) {
 }
 
 export const config = {
-	matcher: ['/'],
+	matcher: ['/', '/guide'],
 };