Add polygon to DTO convert strategy

DataAccess/DTOs/DTOEntities/Shapes/VertexDTO.cs

@@ -0,0 +1,23 @@
+using Newtonsoft.Json;
+using StructureHelperCommon.Models.Shapes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class VertexDTO : IVertex
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; }
+        [JsonProperty("Point")]
+        public IPoint2D Point { get; set; }
+
+        public VertexDTO(Guid id)
+        {
+            Id = id;
+        }
+    }
+}