added postgresql integration for user permissions

UserPermissionTest_CS_WinForms/Permission.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace UserPermissionTest_CS_WinForms
+{
+    public class Permission
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+
+        public override string ToString()
+        {
+            return Name;
+        }
+
+        public Permission Clone()
+        {
+            return new Permission
+            {
+                Id = this.Id,
+                Name = this.Name
+            };
+        }
+    }
+}