first things

Datamodels/Lookups/LookupCategory.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+
+namespace Datamodels.Lookups
+{
+    public sealed class LookupCategory
+    {
+        public long Id { get; set; }
+        public string CategoryName { get; set; }
+        public bool IsActive { get; set; } = true;
+        public List<LookupValue> LookupValues { get; set; }
+    }
+}