npm_and_yarn in /livekit-rtc/jupyter-html for @babel/core, brace-expansion, brace-expansion, js-yaml, js-yaml, postcss - Update #1499590073

npm_and_yarn in /livekit-rtc/jupyter-html for @babel/core, brace-expansion, brace-expansion, js-yaml, js-yaml, postcss - Update #1499590073 #19