Attached you find the module code, below you find further useful resources:

• MDN Docs on Web Components: https://developer.mozilla.org/en-US/docs/Web/Web_Components

• More about Templates & Slots: https://developer.mozilla.org/en-US/docs/Web/Web_Components/Using_templates_and_slots

• Google Article on Custom Elements: https://developers.google.com/web/fundamentals/web-components/customelements

• Google Article on Shadow DOM: https://developers.google.com/web/fundamentals/web-components/shadowdom