feat: add course bar length setting and clear blue glass Dock

mobile/lib/domain/app_settings.dart

@@ -11,7 +11,12 @@ class AppSettings {
     this.singleColorArgb = 0xFF348F91,
     this.calendarEnabled = false,
     this.calendarId,
+    this.courseHeightScale = defaultCourseHeightScale,
   });
+  static const defaultCourseHeightScale = 1.25;
+  static const minCourseHeightScale = 0.8;
+  static const maxCourseHeightScale = 2.0;
+  final double courseHeightScale;
   final Semester? semester;
   final bool remindersEnabled, calendarEnabled;
   final int reminderMinutes, singleColorArgb;
@@ -25,6 +30,7 @@ class AppSettings {
     int? singleColorArgb,
     bool? calendarEnabled,
     String? calendarId,
+    double? courseHeightScale,
   }) => AppSettings(
     semester: semester ?? this.semester,
     remindersEnabled: remindersEnabled ?? this.remindersEnabled,
@@ -33,5 +39,6 @@ class AppSettings {
     singleColorArgb: singleColorArgb ?? this.singleColorArgb,
     calendarEnabled: calendarEnabled ?? this.calendarEnabled,
     calendarId: calendarId ?? this.calendarId,
+    courseHeightScale: courseHeightScale ?? this.courseHeightScale,
   );
 }