added tags functionality to gas tab.

Models/GasRecord/GasRecordInput.cs

@@ -18,6 +18,7 @@
         public bool MissedFuelUp { get; set; } = false;
         public string Notes { get; set; }
         public List<UploadedFiles> Files { get; set; } = new List<UploadedFiles>();
+        public List<string> Tags { get; set; } = new List<string>();
         public GasRecord ToGasRecord() { return new GasRecord { 
             Id = Id, 
             Cost = Cost, 
@@ -28,7 +29,8 @@
             Files = Files,
             IsFillToFull = IsFillToFull,
             MissedFuelUp = MissedFuelUp,
-            Notes = Notes
+            Notes = Notes,
+            Tags = Tags
         }; }
     }
 }