docker-modem calls url.resolve/parse/format, which bare-url does not
implement. Map bare url imports to build/shims/node-url.cjs so the
standalone peardock-server can talk to the Docker socket again.
Copy runtime logos/favicons into assets/ and package icons into build/, then use them for the titlebar, favicons, dock/window icons, and docs so packaging and the UI no longer rely on placeholder marks.