code: func (t *ButtonsTemplate) WithImageOptions(imageAspectRatio ImageAspectRatioType, imageSize ImageSizeType, imageBackgroundColor string) *ButtonsTemplate {
  	t.ImageAspectRatio = imageAspectRatio
  	t.ImageSize = imageSize
  	t.ImageBackgroundColor = imageBackgroundColor
  	return t
  }
docs: // WithImageOptions method, ButtonsTemplate can set imageAspectRatio, imageSize and imageBackgroundColor