After installing RTools, run the following in the RStudio Console
write('PATH="${RTOOLS40_HOME}\\usr\\bin;${PATH}"', file = "~/.Renviron", append = TRUE)
Copy the output of the following code in the RStudio Console, and document the results in a comment below.
install.packages("jsonlite", type = "source")
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.