npm_and_yarn in /livekit-rtc/jupyter-html for @babel/core, brace-expansion, brace-expansion, js-yaml, js-yaml, postcss, postcss - Update #1509341519

npm_and_yarn in /livekit-rtc/jupyter-html for @babel/core, brace-expansion, brace-expansion, js-yaml, js-yaml, postcss, postcss - Update #1509341519 #23