Document redirectTo for logout in README (#697)
Document redirectTo for logout in README (#697)

* Document redirectTo for logout in README

* Update README.md

Co-authored-by: Steve Hobbs <2e93359f917e3f2d789120904ad5cabf3244b1a6@gmail.com>
auth0/auth0-spa-js,auth0/auth0-spa-js,auth0/auth0-spa-js