added ability to add gas records by Unit Costs and added notes field to gas records.

Models/GasRecord/GasRecord.cs

@@ -16,6 +16,7 @@
         public decimal Cost { get; set; }
         public bool IsFillToFull { get; set; } = true;
         public bool MissedFuelUp { get; set; } = false;
+        public string Notes { get; set; }
         public List<UploadedFiles> Files { get; set; } = new List<UploadedFiles>();
     }
 }

Models/GasRecord/GasRecordInput.cs

@@ -16,6 +16,7 @@
         public decimal Cost { get; set; }
         public bool IsFillToFull { get; set; } = true;
         public bool MissedFuelUp { get; set; } = false;
+        public string Notes { get; set; }
         public List<UploadedFiles> Files { get; set; } = new List<UploadedFiles>();
         public GasRecord ToGasRecord() { return new GasRecord { 
             Id = Id, 
@@ -26,7 +27,8 @@
             VehicleId = VehicleId, 
             Files = Files,
             IsFillToFull = IsFillToFull,
-            MissedFuelUp = MissedFuelUp
+            MissedFuelUp = MissedFuelUp,
+            Notes = Notes
         }; }
     }
 }

Models/GasRecord/GasRecordViewModel.cs

@@ -20,5 +20,6 @@
         public decimal CostPerGallon { get; set; }
         public bool IsFillToFull { get; set; }
         public bool MissedFuelUp { get; set; }
+        public string Notes { get; set; }
     }
 }