Disable Authentication & Login Page Rework (#619)

* Implemented the ability to disable authentication on a server instance. Admins will require authentication, but non-admin accounts can be setup without any password requirements.

* WIP for new login page.

* Reworked code to handle disabled auth better. First time user flow is moved into the user login component.

* Removed debug code

* Removed home component, shakeout testing is complete.

* remove a file accidently committed

* Fixed a code smell from last PR

* Code smells

API/Entities/Enums/ServerSettingKey.cs

@@ -20,6 +20,8 @@ namespace API.Entities.Enums
         AllowStatCollection = 6,
         [Description("EnableOpds")]
         EnableOpds = 7,
+        [Description("EnableAuthentication")]
+        EnableAuthentication = 8
 
     }
 }