implemented dynamic module settings and configurable bottom bar, added all-day event support to timetable, and overhauled marianum dates UI with month grouping and search

lib/view/pages/settings/settings.dart

@@ -4,6 +4,7 @@ import 'sections/about_section.dart';
 import 'sections/account_section.dart';
 import 'sections/appearance_section.dart';
 import 'sections/files_section.dart';
+import 'sections/modules_section.dart';
 import 'sections/talk_section.dart';
 import 'sections/timetable_section.dart';
 
@@ -19,6 +20,8 @@ class Settings extends StatelessWidget {
             Divider(),
             AppearanceSection(),
             Divider(),
+            ModulesSection(),
+            Divider(),
             TimetableSection(),
             Divider(),
             TalkSection(),