Add user management domain and seed model

Distribution/Models/User.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Distribution.Models
+{
+    public class User : Template
+    {
+        public string Username { get; set; }
+        public string PasswordHash { get; set; }
+        public string FullName { get; set; }
+
+        public Guid FK_RoleId { get; set; }
+        [ForeignKey("FK_RoleId")]
+        public Role Role { get; set; }
+
+        public Guid? FK_ReportsToUserId { get; set; }
+        [ForeignKey("FK_ReportsToUserId")]
+        public User ReportsTo { get; set; }
+
+        public DateTime? UpdatedAt { get; set; }
+    }
+}