msglist [nfc]: Comment on _kMessageTimestampColor about dark theme

Author: chrisbobbe

lib/widgets/message_list.dart

@@ -979,6 +979,7 @@ class MessageWithPossibleSender extends StatelessWidget {
 // TODO web seems to ignore locale in formatting time, but we could do better
 final _kMessageTimestampFormat = DateFormat('h:mm aa', 'en_US');
 
+// TODO(#95) need dark-theme color (this one comes from the Figma)
 final _kMessageTimestampColor = const HSLColor.fromAHSL(1, 0, 0, 0.5).toColor();
 
 Future<void> markNarrowAsRead(