Initiate InventoyTypes from a xlxs

Arrival mostly working

InventoryTraker.Web/Core/Transaction.cs

@@ -0,0 +1,26 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace InventoryTraker.Web.Core
+{
+	public class Transaction
+	{
+		public int Id { get; set; }
+
+		public virtual Inventory Inventory { get; set; }
+
+		[Required]
+		public int AddedQuantity { get; set; }
+
+		[Required]
+		public int RemovedQuantity { get; set; }
+
+		[Required]
+		public DateTime TransactionDate { get; set; }
+
+		public string Memo { get; set; }
+
+		[Required]
+		public DateTime Timestamp { get; set; }
+	}
+}