Add watermark logo
Examples
library(ggProfessional)
ggplot(iris, aes(Sepal.Length, Petal.Width)) +
geom_point() +
watermark_logo()
#> Warning: no non-missing arguments to max; returning -Inf
#> Error in png::readPNG(paste0(logo_dir, "/", logo), FALSE, FALSE): unable to open /Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/library/ggProfessional/logos/