chore: fix lint error (#7839)

Author: maiieul

packages/docs/src/root.tsx

@@ -45,6 +45,7 @@ export default component$(() => {
     headerMenuOpen: false,
     sideMenuOpen: false,
     theme: 'auto',
+    pkgManager: 'pnpm',
   });
 
   useContextProvider(GlobalStore, store);