def image_markup(image)
      render_to_string(
        file: 'bootsy/images/_image',
        formats: [:html],
        locals: { image: image },
        layout: false
      )
    end
def image_markup(image)
      render_to_string(
        file: 'bootsy/images/_image',
        formats: [:html],
        locals: { image: image },
        layout: false
      )
    end
Private: Returns the String markup to render
 an image in the gallery modal.

 image - The `Bootsy::Image` instance that will
         be rendered.