To be framework agnostic you gotta build Chatness elements bundle from your own end.
npm run build:elements
This command will build the content from
src/app/components as well as needed styles as custom elements (web components) into a single js bundle called
Afterwards all you gotta do is to include this bundle in your framework of choice.
You can execute
npx serve dist/elements to see the generated result.
dist/elements/index.html for further details.