Log an image to the run with the give metric name. Use
log_image_to_run() to log an image file or ggplot2 plot to the
run. These images will be visible and comparable in the run
log_image_to_run(name, path = NULL, plot = NULL, description = "", run = NULL)
A string of the name of the metric.
A string of the path or stream of the image.
The ggplot2 plot to log as an image.
(Optional) A string of the metric description.