Document Authentication setup & config for production

**Overview of the Feature Request**

**What kind of user is the feature intended for?**
(Example users roles: API User, Curator, Depositor, Guest, Superuser, Sysadmin)

**What inspired the request?**

**What existing behavior do you want changed?**

**Any brand-new behavior do you want to add to Dataverse?**

**Any open or closed issues related to this feature request?**
