Add EllipsePrimitive to DTO Converter

StructureHelperCommon/Models/Shapes/PointShape.cs

@@ -1,7 +1,20 @@
-namespace StructureHelperCommon.Models.Shapes
+using System;
+
+namespace StructureHelperCommon.Models.Shapes
 {
     public class PointShape : IPointShape
     {
+        public Guid Id { get; }
         public double Area { get; set; }
+
+        public PointShape(Guid id)
+        {
+            Id = id;
+        }
+
+        public PointShape() : this (Guid.NewGuid())
+        {
+            
+        }
     }
 }