Add work plane property saving

StructureHelperCommon/Models/WorkPlanes/WorkPlaneProperty.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Media;
+
+namespace StructureHelperCommon.Models.WorkPlanes
+{
+    public class WorkPlaneProperty : IWorkPlaneProperty
+    {
+        public Guid Id { get; }
+        public double GridSize { get; set; } = 0.05;
+        public double Height { get; set; } = 1.2;
+        public double Width { get; set; } = 1.2;
+        public double AxisLineThickness { get; set; } = 2;
+        public double GridLineThickness { get; set; } = 0.25;
+
+        public WorkPlaneProperty(Guid id)
+        {
+            Id = id;
+        }
+    }
+}