Add TokenCacheType to readme

Author: stevetemple

README.md

@@ -37,6 +37,7 @@ To configure add the following section to the root of your appsettings.json file
     "DisplayName": "Azure AD",
     "DenyLocalLogin": true,
     "AutoRedirectLoginToExternalProvider": true,
+    "TokenCacheType": "InMemory",
     "GroupBindings": {
         "<AD group>": "<umbraco group>",
         "<another AD group>": "<umbraco group>"
@@ -61,16 +62,17 @@ You'll need to configure these settings based on the values in Azure:
 
 You can also customise the configuration by setting these settings:
 
-| Setting          			| Description                                                                                  |
+| Setting                               | Description                                                                                  |
 | ------------------------------------- | -------------------------------------------------------------------------------------------- |
-| DisplayName      			| The display name for use on the login button                                                 |
-| Icon             			| The class name for the icon to use                                                           |
-| ButtonStyle      			| The class name for the button style                                                          |
+| DisplayName                           | The display name for use on the login button                                                 |
+| Icon                                  | The class name for the icon to use                                                           |
+| ButtonStyle                           | The class name for the button style                                                          |
 | AutoRedirectLoginToExternalProvider   | Automatically redirect to the external login provider                                        |
-| DenyLocalLogin   			| Allow users to login via Umbraco's standard login                                            |
-| GroupBindings    			| The bindings for AD group to Umbraco group                                                   |
-| SetGroupsOnLogin 			| Whether or not to reset the users assigned groups on each login                              |
-| DefaultGroups    			| The groups to assign to users regardless of any AD groups assigned (defaults to none)        |
+| DenyLocalLogin                        | Allow users to login via Umbraco's standard login                                            |
+| GroupBindings                         | The bindings for AD group to Umbraco group                                                   |
+| SetGroupsOnLogin                      | Whether or not to reset the users assigned groups on each login                              |
+| TokenCacheType                        | Token Cache Type to use: InMemory, Session, Distributed (defaults to InMemory)               |
+| DefaultGroups                         | The groups to assign to users regardless of any AD groups assigned (defaults to none)        |
 
 ## ButtonStyle