updated timetable UI with event status and enhanced appointment tile rendering

lib/view/pages/timetable/data/lesson_status.dart

@@ -2,6 +2,7 @@ import '../../../../api/webuntis/queries/get_timetable/get_timetable_response.da
 
 enum LessonStatus {
   cancelled,
+  event,
   irregular,
   teacherChanged,
   past,
@@ -10,8 +11,15 @@ enum LessonStatus {
 }
 
 class LessonStatusClassifier {
-  static LessonStatus classify(GetTimetableResponseObject lesson, DateTime startTime, DateTime endTime, DateTime now) {
+  static LessonStatus classify(
+    GetTimetableResponseObject lesson,
+    DateTime startTime,
+    DateTime endTime,
+    DateTime now, {
+    bool isEvent = false,
+  }) {
     if (lesson.code == 'cancelled') return LessonStatus.cancelled;
+    if (isEvent) return LessonStatus.event;
     if (lesson.code == 'irregular' || (lesson.te.isNotEmpty && lesson.te.first.id == 0)) return LessonStatus.irregular;
     if (lesson.te.any((t) => t.orgname != null)) return LessonStatus.teacherChanged;
     if (endTime.isBefore(now)) return LessonStatus.past;