Added ability to automatically track last modified and created timestamps for entities via an interface. DBContext will automatically update for us.

API/Entities/Interfaces/IEntityDate.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace API.Entities.Interfaces
+{
+    public interface IEntityDate
+    {
+        DateTime Created { get; set; }
+        DateTime LastModified { get; set; }
+    }
+}