chore(formatting): autoformats and adaptations

lib/transport_helper.dart

@@ -8,7 +8,6 @@ class Route {
   });
 
   // from trip API request
-
   factory Route.fromJson(Map<String, dynamic> json) => Route(
     segments: json["LegList"]["Leg"].map((leg) => Segment.fromJson(leg)),
     duration:
@@ -58,8 +57,9 @@ class Station {
     id: json["id"] as String? ?? json["extId"] as String,
     name: json["name"],
     transportLines: json.containsKey("productAtStop")
-        ? json["productAtStop"].map((jsonLine) =>
-            Line.fromJson(jsonLine as Map<String, dynamic>))
+        ? json["productAtStop"].map(
+            (jsonLine) => Line.fromJson(jsonLine as Map<String, dynamic>),
+          )
         : const [],
   );
 }
@@ -126,7 +126,7 @@ class Departure {
   Departure({
     required this.vehicle,
     required this.station,
-    required this.departureTime
+    required this.departureTime,
   });
 }
 
@@ -138,22 +138,21 @@ class Color {
   Color({
     required this.r,
     required this.g,
-    required this.b
+    required this.b,
   });
 
   factory Color.fromJson(Map<String, dynamic> json) => Color(
     r: json["r"],
     g: json["g"],
-    b: json["b"]
+    b: json["b"],
   );
 }
 
-
-enum VehicleType{
+enum VehicleType {
   bus,
   tram,
   metro,
   subway,
   regionalTrain,
-  PLACEHOLDER
+  PLACEHOLDER,
 }