better docs rendering, aligned with docs page

[niphlod]

Type of Change

• [ ] Bug fix (non-breaking change, fixes # )
• [x] New feature (non-breaking change, adds functionality, fixes #9367 )
• [ ] Breaking change (affects multiple commands or functionality, fixes # )
• [ ] Ran manual Pester test and has passed (.\tests\manual.pester.ps1)
• [ ] Adding code coverage to existing functionality
• [ ] Pester test is included
• [ ] If new file reference added for test, has is been added to github.com/dataplat/appveyor-lab ?
• [ ] Unit test is included
• [x] Documentation
• [ ] Build system

Purpose

The change on the docs site has been pushed a little while ago (had some issues but had to do with GH Runner misbehaving). This alignes the private function for people wanting to have a nice preview of the output with the new and "improved" rendering logic.

[potatoqualitee]

Thanks as always niph 🙇🏼