Update redirect-and-alias.md (#1588)
Update redirect-and-alias.md (#1588)

* Update redirect-and-alias.md

Added note about navigation guards not being applied on redirects. 

Background: I just tried doing a conditional redirect where I rely on user data being loaded into the vuex store by the route guards. But since they are only applied after the redirect (on the actual route that you are being redirected to), the data was never there.

* Update redirect-and-alias.md

vuejs/vue-router,vuejs/vue-router,vuejs/vue-router