init backend

dotnet/AipsCore/Domain/Common/Validation/ValidationException.cs

@@ -0,0 +1,13 @@
+using System.Collections.Immutable;
+
+namespace AipsCore.Domain.Common.Validation;
+
+public class ValidationException : Exception
+{
+    public ICollection<ValidationError> ValidationErrors { get; private init; }
+    
+    public ValidationException(ICollection<ValidationError> validationErrors)
+    {
+        ValidationErrors = validationErrors;
+    }
+}