installs the Github starred repositories from Github and not from CRAN.
install_starred_github(github_user, n = 5, upgrade = "never")
the Github user name to look for
the last 'n' starred repositories. Defaults to 5, in which case it will look for the last 5 starred repositories, filter the R repos and install them
whether to upgrade out of date packages. You can choose from 'always' or 'never'. Defaults to 'never'. For more info, see <install_github()> from the 'remote' package.
called for the side effect of installing the Github starred repositories