add method
Adds a note at position. notes.add(position: controller.value.position, text: "Important")
Implementation
UMediaNote add({required Duration position, String text = "", Color? color, Duration? end}) {
final UMediaNote note = UMediaNote.create(position: position, end: end, text: text, color: color ?? _color);
_checkpoint();
_notes.add(note);
_commit();
return note;
}