ezr.png2pdf = function(file_name = 'images_to_pdf.pdf', ncols=2, folder_name=getwd()){
# set directry
setwd(folder_name)
plots = list.files(pattern="*.png")
pdf(file_name)
do.call(gridExtra::grid.arrange, c(plots, ncol=ncols))
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.