fix: eslint errors

middleware/auth.js

@@ -1,6 +1,6 @@
-import { useAuth } from '../plugins/auth'
+import useAuth from '../plugins/auth'
 
-export default async ({app: { router }}) => {
+export default async ({ app: { router } }) => {
   const onRedirectCallback = appState => {
     router.push(
       appState && appState.targetUrl