Add user management domain and seed model

Distribution/Models/UserRegionScope.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Distribution.Models
+{
+    public class UserRegionScope : Template
+    {
+        public Guid FK_UserId { get; set; }
+        [ForeignKey("FK_UserId")]
+        public User User { get; set; }
+
+        public Guid FK_RegionId { get; set; }
+        [ForeignKey("FK_RegionId")]
+        public Region Region { get; set; }
+    }
+}