Clhp map

app/lib/pages/marker_handler/get_markers.dart

@@ -35,6 +35,9 @@ Future<List<Measurement>> fetchMarkerData() async {
             print('Update time written to file');
           } catch (error) { print('Error in writing to file: $error');}
 
+          // Update lastUpdate variable
+          lastUpdate = DateTime.now();
+
           return jsonData.map((data) => Measurement.fromJson(data)).toList();
         } else {
           throw Exception('Failed to parse marker data: Unexpected response format');