allow more tag entries to customize the views

src/PlugIn.h

@@ -42,7 +42,10 @@ namespace aman {
 
     private:
         enum class TagItemElement {
-            DeltaTime = 0
+            EstimatedTimeOfArrival = 0,
+            PlannedTimeOfArrival   = 1,
+            DeltaTime              = 2,
+            FixedPlanIndicator     = 3
         };
 
         void validateBackendData();