Support author zoom in doc layout

[gweesin]

Is your feature request related to a problem? Please describe.

No

Describe the solution you'd like

It's better if we can configure the author field for every doc layout by frontmatter, like this:

It's implemented by custom component and I think that it is necessary to add to the official components.

Describe alternatives you've considered

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the docs.
• Read the Contributing Guidelines.
• Check that there isn't already an issue that asks for the same feature to avoid creating a duplicate.