Support for App Configuration Snapshots

[masonhuemmer]

Here are two docs that explain what snapshots are and how to implement.

https://learn.microsoft.com/en-us/azure/azure-app-configuration/concept-snapshots

https://learn.microsoft.com/en-us/azure/azure-app-configuration/howto-create-snapshots?WT.mc_id=Portal-Microsoft_Azure_AzConfig&tabs=dotnet