add tagging functionality to notes, odometer, and tax tabs

Models/OdometerRecord/OdometerRecord.cs

@@ -7,6 +7,7 @@
         public DateTime Date { get; set; }
         public int Mileage { get; set; }
         public string Notes { get; set; }
+        public List<string> Tags { get; set; } = new List<string>();
         public List<UploadedFiles> Files { get; set; } = new List<UploadedFiles>();
     }
 }