Merge pull request #28266 from adityamandaleeka/formdata_logging

Add note about another use case for MediaTypeOptions

Author: adityamandaleeka

aspnetcore/fundamentals/http-logging/index.md

@@ -70,6 +70,8 @@ To configure the HTTP logging middleware, call <xref:Microsoft.Extensions.Depend
 
 [!code-csharp[](samples/6.x/Program.cs?name=snippet_Addservices&highlight=10)]
 
+This approach can also be used to enable logging for data that is not logged by default (e.g. form data, which might have a media type such as `application/x-www-form-urlencoded` or `multipart/form-data`).
+
 #### `MediaTypeOptions` methods
 
 * <xref:Microsoft.AspNetCore.HttpLogging.MediaTypeOptions.AddText%2A>