Add beam shear converting to DTO

DataAccess/DTOs/DTOEntities/Forces/DistributedLoadDTO.cs

@@ -0,0 +1,34 @@
+using Newtonsoft.Json;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class DistributedLoadDTO : IDistributedLoad
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; }
+        [JsonProperty("Name")]
+        public string Name { get; set; } = string.Empty;
+        [JsonProperty("LoadValue")]
+        public IForceTuple LoadValue { get; set; }
+        [JsonProperty("StartCoordinate")]
+        public double StartCoordinate { get; set; }
+        [JsonProperty("EndCoordinate")]
+        public double EndCoordinate { get; set; }
+        [JsonProperty("RelativeLoadLevel")]
+        public double RelativeLoadLevel { get; set; }
+        [JsonProperty("LoadRatio")]
+        public double LoadRatio { get; set; }
+        [JsonProperty("CombinationProperty")]
+        public IFactoredCombinationProperty CombinationProperty { get; set; } = new FactoredCombinationPropertyDTO(Guid.Empty);
+        public DistributedLoadDTO(Guid id)
+        {
+            Id = id;
+        }
+
+        public object Clone()
+        {
+            return this;
+        }
+    }
+}