Incorrect Navigation Types

[Hebilicious]

Describe the bug

For some un-explainable reason I see a mismatch between the navigation types in the distributed version of vitepress (1.0.0-alpha.1) and the current repository.

Reproduction

• Install vitepress "version": "1.0.0-alpha.1"
• Look at the default-theme.d.ts or the types in dist

Expected behavior

  export interface NavItemWithChildren {
    text?: string
    items: NavItemWithLink[]
  }

should be

  export interface NavItemWithChildren {
  text?: string
  items: NavItem[]
}

System Info

System:
    OS: macOS 11.5.2
    CPU: (8) arm64 Apple M1
    Memory: 106.59 MB / 8.00 GB
    Shell: 5.8 - /bin/zsh
  Binaries:
    Node: 17.9.0 - ~/.nvm/versions/node/v17.9.0/bin/node
    Yarn: 1.22.15 - ~/.nvm/versions/node/v17.9.0/bin/yarn
    npm: 8.5.5 - ~/.nvm/versions/node/v17.9.0/bin/npm
  Browsers:
    Chrome: 102.0.5005.61
    Safari: 14.1.2

### Additional context

_No response_

### Validations

- [X] Follow our [Code of Conduct](https://vuejs.org/about/coc.html)
- [X] Read the [docs](https://vitepress.vuejs.org).
- [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.

[kecrily]

fixed on #711