roundcube plugin: add HTML5 notifications for new mail
HTML5_Notifier is a Roundcube plugin that displays desktop notifications
in modern browsers. Just keep Roundcube opened in a (minimized) tab and
enjoy getting notifications every time a new mail arrives.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: https://github.com/stremlau/html5_notifier
