Usage
widget2gist(widget_string, name, created = NULL, description = "",
license = c("none", "apache-2.0", "bsd-2-clause", "bsd-3-clause",
"cc-by-4.0", "cc-by-nc-4.0", "cc-by-nc-nd-4.0", "cc-by-nc-sa-4.0",
"cc-by-nd-4.0", "cc-by-sa-4.0", "cddl-1.0", "epl-1.0", "gpl-2.0", "gpl-3.0",
"lgpl-2.1", "lgpl-3.0", "mit", "mpl-2.0"), border = TRUE,
scrolling = FALSE, secure = TRUE, view = TRUE)