Imports
- github.com/gin-contrib/cors
- github.com/gin-gonic/gin
- github.com/markbates/goth
- github.com/markbates/goth/providers/auth0
- github.com/markbates/goth/providers/facebook
- github.com/markbates/goth/providers/google
- github.com/markbates/goth/providers/twitter