[Add] MasterData Services.

AMREZ.EOP.Abstractions/Applications/UseCases/MasterData/Allergen/IUpdateAllergenUseCase.cs

@@ -0,0 +1,8 @@
+using AMREZ.EOP.Contracts.DTOs.MasterData.Allergen;
+
+namespace AMREZ.EOP.Abstractions.Applications.UseCases.MasterData.Allergen;
+
+public interface IUpdateAllergenUseCase
+{
+    Task<AllergenResponse?> ExecuteAsync(Guid id, AllergenUpdateRequest req, CancellationToken ct = default);
+}