Add value diagram calculator saving

DataAccess/DTOs/DTOEntities/StateCalcTermPairDTO.cs

@@ -0,0 +1,11 @@
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Models.States;
+
+namespace DataAccess.DTOs
+{
+    public class StateCalcTermPairDTO : IStateCalcTermPair
+    {
+        public LimitStates LimitState { get; set; }
+        public CalcTerms CalcTerm { get; set; }
+    }
+}