🚸 Improve UX in timetable editor

src/views/settings/TimetableSettings.vue

@@ -33,6 +33,7 @@ function importTimetable(event) {
       if (!data.data) throw "Invalid data";
       localTimetables.value.push(data);
     } catch (e) {
+      console.log(e.stack);
       alert("Import failed! Check your timetable file!");
     }
   };