If the overwrite is TRUE then the folder will be deleted, otherwise the folder will be created.
overwrite_check(outdir, overwrite)
the output directory
TRUE or FALSE if `outdir`` exists and overwrite = FALSE then throw an error
tf = tempfile()
overwrite_check(tf, overwrite = FALSE)
overwrite_check(tf, overwrite = TRUE)
# clean up
fs::dir_delete(tf)