Add beam shear converting to DTO

DataAccess/DTOs/DTOEntities/Forces/FactoredForceTupleDTO.cs

@@ -0,0 +1,25 @@
+using Newtonsoft.Json;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class FactoredForceTupleDTO : IFactoredForceTuple
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; }
+        [JsonProperty("ForceTuple")]
+        public IForceTuple ForceTuple { get; set; }
+        [JsonProperty("CombinationProperty")]
+        public IFactoredCombinationProperty CombinationProperty { get; set; }
+        
+        public FactoredForceTupleDTO(Guid id)
+        {
+            Id = id;
+        }
+
+        public object Clone()
+        {
+            return this;
+        }
+    }
+}