Nuxt.js Authenticate with JWT

[Login]

1. login process with passport
   --> req.user is generated automatically by passport
2. create route for '/auth/token' for get jwt token with req.user
3. create nuxtServerInit for fetching token and set token to store.state
4. check authenticated by middleware

[Logout]

1. create route for '/auth/logout' includes followings:
   router.get('/auth/logout', (req,res)=>{
   req.logout()
   req.redirect(>>front main url or sign-in url<<)
   ...
   })
2. delete token and other user-info from state.store
3. window.location.replace( BACKEND+'/auth/logout')