```ts
// List.stories.ts

import { Meta, moduleMetadata, Story } from '@storybook/angular';

import { CommonModule } from '@angular/common';

import { List } from './list.component';
import { ListItem } from './list-item.component';

export default {
   /* 👇 The title prop is optional.
   * See https://storybook.js.org/docs/react/configure/overview#configure-story-loading
   * to learn how to generate automatic titles
   */
  title: 'List',
  component: List,
  subcomponents: { ListItem }, //👈 Adds the ListItem component as a subcomponent
  decorators: [
    moduleMetadata({
      declarations: [List, ListItem],
      imports: [CommonModule],
    }),
  ],
} as Meta;

export const Empty: Story = () => ({
  props: {
    args,
  },
});

export const OneItem: Story = () => ({
  props: {
    args,
  },
  template: `
    <app-list>
      <app-list-item></app-list-item>
    </app-list>
  `,
});
```