Add project data

Tabletop.Core/Models/UserPermission.cs

@@ -0,0 +1,12 @@
+using DbController;
+
+namespace Tabletop.Core.Models
+{
+    public sealed class UserPermission
+    {
+        [CompareField("user_id")]
+        public int UserId { get; set; }
+        [CompareField("permission_id")]
+        public int PermissionId { get; set; }
+    }
+}