app/pb_kits/playbook/pb_icon/docs/_icon_flip_swift

icon-flipped

 HStack(spacing: Spacing.xSmall) {
  PBIcon(FontAwesome.questionCircle, flipped: [.horizontal])
  PBIcon(FontAwesome.questionCircle, flipped: [.vertical])
  PBIcon(FontAwesome.questionCircle, flipped: [.horizontal, .vertical])
}