This is a demo of cloudflare auth.
    Safe
  1. Dynamic
    Unsafe
  1. filter page
    login/logout
  1. login github
  2. login google
  3. logout
/fromGithub is the last endpoint. make the endpoint that receives the first callback from github. The /fromGithub is not visible for the outside world. The fromGithub then gets the accesstoken, and then it gets the user info, and then it creates a cookie. and then it saves the cookie in the kv. And then it sends a response to the user with the cookie.