build: add missing @YELP_HELP_RULES@ stanza for documentation build system
build: add missing @YELP_HELP_RULES@ stanza for documentation build system

GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,Distrotech/telepathy-account-widgets