fix(transport_helper): add missing fields to db table and some extra

add missing fields to db table
add ref attribute to find routeDetails
also add stationNames to simplify display

lib/transport_helper.dart

@@ -779,17 +779,21 @@ class Departure {
   static const String tableName = "departure";
 
   int? id;
+  String ref;
   String vehicleId;
   String vehicleName;
   String stationId;
+  String stationName;
   DateTime arrivalTime;
   DateTime departureTime;
 
   Departure({
     this.id,
+    required this.ref,
     required this.vehicleId,
     required this.vehicleName,
     required this.stationId,
+    required this.stationName,
     required this.arrivalTime,
     required this.departureTime,
   });
@@ -797,9 +801,11 @@ class Departure {
   Map<String, Object?> _toMap() {
     return {
       "id": id,
+      "ref": ref,
       "vehicle": vehicleId,
       "vehiclename": vehicleName,
       "station": stationId,
+      "stationname": stationName,
       "arrivaltime": arrivalTime,
       "departuretime": departureTime,
     };
@@ -808,9 +814,11 @@ class Departure {
   factory Departure.fromMap(Map<String, Object?> map) {
     return Departure(
       id: map["id"] as int,
+      ref: map["ref"] as String,
       vehicleId: map["vehicle"] as String,
       vehicleName: map["vehiclename"] as String,
       stationId: map["station"] as String,
+      stationName: map["stationname"] as String,
       arrivalTime: map["arrivaltime"] as DateTime,
       departureTime: map["departuretime"] as DateTime,
     );
@@ -847,9 +855,11 @@ class Departure {
     }
 
     return Departure(
+      ref: json["JourneyDetailRef"]["ref"],
       vehicleId: vehicle.id,
       vehicleName: vehicle.name,
       stationId: station.id,
+      stationName: station.name,
       arrivalTime:
           arrDateTime ??
           depDateTime as DateTime, // one of these has to be in the json
@@ -865,8 +875,12 @@ class Departure {
     String station = Station.tableName;
     database.execute("""CREATE TABLE IF NOT EXISTS $tableName(
       id     INTEGER,
+      ref             TEXT,
       vehicle         TEXT,
+      vehiclename     TEXT,
       station         TEXT,
+      stationname     TEXT,
+      arrivaltime     TEXT,
       departuretime   TEXT,
       FOREIGN KEY(vehicle) REFERENCES $vehicle(id),
       FOREIGN KEY(station) REFERENCES $station(id)