enable UI build

add registry-url

try newer version of CI runners

remove NODE_ENV in CI

use node:20 in CI

move CI into workflows dir

add CI for npm build & publish (#573)

* add CI for npm build & publish

* bump version to 0.0.6

remove links

disable portal to allow paning over handle menus (#435)

fix: click away listener for add-node-handle's popper(#433)