chg: dev: add link arrows for directed edges
chg: dev: tidy
chg: dev: tidy
chg: dev: add support for parallel links
chg: dev: interfaces -> ports
chg: dev: directed edge markers
chg: dev: style
chg: dev: support vis index id for parallel links
chg: dev: tidy
chg: dev: update icons
chg: dev: update ignore
chg: dev: update style