Update implement-value-objects.md (#24789)

* Update implement-value-objects.md

Additional reference for the base value object class / attribution for the original GetEqualityComponents method idea.

* Updated the reference from the blog to the actual Value Object implementation in CSharpFunctionalExtensions

Author: vkhorikov

docs/architecture/microservices/microservice-ddd-cqrs-patterns/implement-value-objects.md

@@ -308,6 +308,9 @@ public class Address
 - **ValueObject.cs.** Base value object class in eShopOnContainers. \
   <https://github.com/dotnet-architecture/eShopOnContainers/blob/dev/src/Services/Ordering/Ordering.Domain/SeedWork/ValueObject.cs>
 
+- **ValueObject.cs.** Base value object class in CSharpFunctionalExtensions. \
+  <https://github.com/vkhorikov/CSharpFunctionalExtensions/blob/master/CSharpFunctionalExtensions/ValueObject/ValueObject.cs>
+
 - **Address class.** Sample value object class in eShopOnContainers. \
   <https://github.com/dotnet-architecture/eShopOnContainers/blob/dev/src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/Address.cs>