add PropertyGrid v1

src/Shared/HandyControlDemo_Shared/Data/Model/PropertyGridDemoModel.cs

@@ -0,0 +1,25 @@
+using System.ComponentModel;
+
+namespace HandyControlDemo.Data
+{
+    public class PropertyGridDemoModel
+    {
+        [Category("Info")]
+        public string Name { get; set; }
+
+        [Category("Achievement")]
+        public int Score { get; set; }
+
+        [Category("Achievement")]
+        public bool IsPassed { get; set; }
+
+        [Category("Info")]
+        public Gender Gender { get; set; }
+    }
+
+    public enum Gender
+    {
+        Male,
+        Female
+    }
+}