added supply usage history

Models/Supply/SupplyRecord.cs

@@ -35,5 +35,6 @@
         public List<UploadedFiles> Files { get; set; } = new List<UploadedFiles>();
         public List<string> Tags { get; set; } = new List<string>();
         public List<ExtraField> ExtraFields { get; set; } = new List<ExtraField>();
+        public List<SupplyUsageHistory> UsageHistory { get; set; } = new List<SupplyUsageHistory>();
     }
 }

Models/Supply/SupplyRecordInput.cs

@@ -14,6 +14,7 @@
         public List<UploadedFiles> Files { get; set; } = new List<UploadedFiles>();
         public List<string> Tags { get; set; } = new List<string>();
         public List<ExtraField> ExtraFields { get; set; } = new List<ExtraField>();
+        public List<SupplyUsageHistory> UsageHistory { get; set; } = new List<SupplyUsageHistory>();
         public SupplyRecord ToSupplyRecord() { return new SupplyRecord { 
             Id = Id, 
             VehicleId = VehicleId, 
@@ -26,7 +27,8 @@
             Notes = Notes, 
             Files = Files,
             Tags = Tags,
-            ExtraFields = ExtraFields
+            ExtraFields = ExtraFields,
+            UsageHistory = UsageHistory
         }; }
     }
 }

Models/Supply/SupplyUsageHistory.cs

@@ -0,0 +1,9 @@
+namespace CarCareTracker.Models
+{
+    public class SupplyUsageHistory {
+        public DateTime Date { get; set; }
+        public string Description { get; set; }
+        public decimal Quantity { get; set; }
+        public decimal Cost { get; set; }
+    }
+}