(Azure CXP) Feature not available on Linux Consumption plan for Azure Functions

https://github.com/MicrosoftDocs/azure-docs/issues/52954#issuecomment-620198954
Added this note: This feature is currently not available on Linux Consumption plan for Azure Functions

Author: Grace-MacJones-MSFT

articles/app-service/configure-authentication-provider-aad.md

@@ -22,6 +22,9 @@ Follow these best practices when setting up your app and authentication:
 - Configure each App Service app with its own registration.
 - Avoid permission sharing between environments by using separate app registrations for separate deployment slots. When testing new code, this practice can help prevent issues from affecting the production app.
 
+> [!NOTE]
+> This feature is currently not available on Linux Consumption plan for Azure Functions
+
 ## <a name="express"> </a>Configure with express settings
 
 > [!NOTE]