Can't create "subdoc" from content dir's root

[SukkaW]

Describe the bug

Given the given folder structure:

src
  content
    index.mdx
    getting-started
      index.mdx
      a.mdx
    tips
      index.mdx
      a.mdx
  changelogs
    1.0.0.mdx
    1.0.1.mdx
    2.0.0.mdx
  api
    index.mdx
    a.mdx
    b.mdx

// _meta.global.ts
export default {
  index: {
    title: 'Homepage',
    items: {
      'getting-started': {},
      tips: {
        items: {}
      }
    }
  },
  changelog: {
    type: 'page',
    title: 'Changelog',
    items: {}
  },
  api: {
    type: 'page',
    title: 'API',
    items: {}
  }
}

I want to create three subdocs:

• Guide
  • index
  • getting-started folder
  • tips folder
• Changelog
  • changelogs folder
• API
  • api folder

To Reproduce

• Navigate to the Changelog in the navbar
• Seeing the getting-started and tips folders show up in the Changelog's sidebar

Expected behavior

What I want to achieve is that the "Changelog" subdoc should only contain its own items, without getting-started and tips.

Screenshots

The sidebar of "Guide" subdoc:

The sidebar of "Changelog" subdoc:

Additional context

The PM doesn't want to have a dedicated homepage and wants to see the Guide subdoc immediately when visiting the docs root, so I have to create a subdoc from the root of content.

[dimaMachina]

Hi, currently it isn't supported in nextra, I think something similar I saw in docusaurus (it was named category?)

Seeing the getting-started and tips folders show up in the Changelog's sidebar

it is because at this moment if you want to have this structure

• Guide
  • index
  • getting-started folder
  • tips folder

everything should be inside guide or something directory, and guide should have type: 'page'

guide/index
guide/getting-started/
guide/tips/

PR is welcome to improve it, happy to help