automatically save a trip when it is first created

frontend/lib/utils/fetch_trip.dart

@@ -1,5 +1,6 @@
 import "dart:convert";
 import "dart:developer";
+import "package:anyway/main.dart";
 import 'package:dio/dio.dart';
 
 import 'package:anyway/constants.dart';
@@ -82,6 +83,8 @@ fetchTrip(
     }
 
   log(response.data.toString());
+  // Also save the trip for the user's convenience
+  savedTrips.addTrip(trip);
   }
 }
 
@@ -113,7 +116,7 @@ Future<(Landmark, String?)> fetchLandmark(String uuid) async {
   if (response.data["detail"] != null) {
     throw Exception(response.data["detail"]);
   }
-  log(response.data.toString());
+  // log(response.data.toString());
   Map<String, dynamic> json = response.data;
   String? nextUUID = json["next_uuid"];
   Landmark landmark = Landmark.fromJson(json);