Converts Github path/repo/file information into a link to the raw version of the file
github_raw(file, repo = NULL)
Name of desired file; if repo
is NULL, then this value
should also provide repo information, i.e., owner and name of the
repository<U+2013>e.g., "owner/repo/file.ext"
. Alternatively, user may
supply the URL to the file as it appears in a web browser, e.g.,
"https://github.com/mkearney/driven-snow/blob/master/theme/driven-snow.rstheme"
Repository name information formatted as username/repo. If this
information is provided in the value supplied to file
then leave
this as NULL (the default)
Returns the URL path to the raw version of the file.