Add project files.

Core.Blueprint.Domain/Entities/SampleItem.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Core.Blueprint.Domain.Entities
+{
+    [Table("Blueprint_Test01")] 
+    public class SampleItem : AbsEntity
+    {
+        public Guid Id { get; set; } = Guid.NewGuid();
+        public string TestName { get; set; } = string.Empty;
+        public char StatusCode { get; set; } = 'P';
+        public int NumValue { get; set; } = 0;
+        public DateTime CreatedAt { get; set; } = DateTime.Now;
+    }
+}
+
+
+//User - Project