Azure feature flags for ASP.NET Core
https://learn.microsoft.com/en-us/azure/azure-monitor/app/api-filtering-sampling?#addmodify-properties-itelemetryinitializer https://learn.microsoft.com/en-us/azure/azure-monitor/app/asp-net-core?tabs=netcorenew%2Cnetcore6#add-telemetryinitializers https://learn.microsoft.com/en-us/azure/azure-monitor/app/ilogger?tabs=dotnet6