Show profile of all contributors to a doc page

### Have you read the Contributing Guidelines on issues?

- [X] I have read the [Contributing Guidelines on issues](https://github.com/facebook/docusaurus/blob/main/CONTRIBUTING.md#reporting-new-issues).

### Description

More details here
https://github.com/facebook/docusaurus/discussions/6194#discussion-3765566

### Has this been requested on Canny?

_No response_

### Motivation

We want to show the picture of contributors to our docs so that users get more motivation to contribute to the doc

### API design

_No response_

### Have you tried building it?

No

### Self-service

- [ ] I'd be willing to contribute this feature to Docusaurus myself.