code: func NewCarouselColumn(thumbnailImageURL, title, text string, actions ...TemplateAction) *CarouselColumn {
  	return &CarouselColumn{
  		ThumbnailImageURL: thumbnailImageURL,
  		Title:             title,
  		Text:              text,
  		Actions:           actions,
  	}
  }
docs: // NewCarouselColumn function
  // `thumbnailImageURL` and `title` are optional. they can be empty.