cdnjs/cdnjs — pull request #4018 by Flo-Schield-Bobby (2014-11-12 15:00:46+00:00)
Title: Add sigma.js library [manual only --> discussion about auto-update]

The author does not want to include the built files in the repository, so I do not know if it is possible to auto-update it, as there is no npmFileMap option to provide.