```js
// List.stories.js

import { html } from 'lit';

export default {
  title: 'List',
  component: 'demo-list',
};

export const Empty = {
  render: () => html`<demo-list></demo-list>`,
};

export const OneItem = {
  render: () => html`
    <demo-list>
      <demo-list-item></demo-list-item>
    </demo-list>
  `,
};

export const ManyItems = {
  render: () => html`
    <demo-list>
      <demo-list-item></demo-list-item>
      <demo-list-item></demo-list-item>
      <demo-list-item></demo-list-item>
    </demo-list>
  `,
};
```