Add calculators saving

DataAccess/DTOs/DTOEntities/AccuracyDTO.cs

@@ -0,0 +1,21 @@
+using Newtonsoft.Json;
+using StructureHelperCommon.Models.Calculators;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs.DTOEntities
+{
+    public class AccuracyDTO : IAccuracy
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; set; }
+        [JsonProperty("IterationAccuracy")]
+        public double IterationAccuracy { get; set; }
+        [JsonProperty("MaxIterationCount")]
+        public int MaxIterationCount { get; set; }
+
+    }
+}