📝 add vary accept middleware and update changelog

Author: gimlichael

.nuget/Cuemon.AspNetCore/PackageReleaseNotes.txt

@@ -4,6 +4,9 @@ Availability: .NET 10 and .NET 9
 # ALM
 - CHANGED Dependencies have been upgraded to the latest compatible versions for all supported target frameworks (TFMs)
 
+# New Features
+- ADDED VaryAcceptMiddleware class in the Cuemon.AspNetCore.Http.Headers namespace that adds the Vary header with the value of Accept to the HTTP response
+ 
 Version: 10.3.0
 Availability: .NET 10 and .NET 9
 

CHANGELOG.md

@@ -12,7 +12,8 @@ This is a minor release that introduces support for flattening items in enumerab
 
 ### Added
 
-- `ServiceCollectionExtensions` class in the Cuemon.Extensions.AspNetCore.Xml namespace with `AddMinimalXmlOptions` extension method.
+- `ServiceCollectionExtensions` class in the Cuemon.Extensions.AspNetCore.Xml namespace with `AddMinimalXmlOptions` extension method,
+- `VaryAcceptMiddleware` class in the Cuemon.AspNetCore.Http.Headers namespace that adds the Vary header with the value of Accept to the HTTP response.
 
 ### Fixed