Restructuring of the files

Facepunch.Steamworks/Structs/InventoryPurchaseResult.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Facepunch.Steamworks.Data
+{
+	public struct InventoryPurchaseResult
+	{
+		public Result Result;
+		public ulong OrderID;
+		public ulong TransID;
+	}
+}