Add polygon to DTO convert strategy

DataAccess/DTOs/DTOEntities/Shapes/RectangleShapeDTO.cs

@@ -0,0 +1,21 @@
+using Newtonsoft.Json;
+using StructureHelperCommon.Models.Shapes;
+
+namespace DataAccess.DTOs
+{
+    public class RectangleShapeDTO : IRectangleShape
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get;}
+        [JsonProperty("Width")]
+        public double Width { get; set; }
+        [JsonProperty("Height")]
+        public double Height { get; set; }
+
+        public RectangleShapeDTO(Guid id)
+        {
+            Id = id;
+        }
+
+    }
+}