feat(cli): add `docusaurus serve --no-clean-urls` option

[ZumiFlores]

This PR adds the ability to configure the cleanUrls option for the serve command, as described in issue #7991. It allows users to toggle clean URLs during local development.

Pre-flight checklist

• [x] I have read the Contributing Guidelines on pull requests.
• [x] If this is a code change: I have written unit tests and/or added dogfooding pages to fully verify the new behavior.
• [x] If this is a new API or substantial change: the PR has an accompanying issue (closes #0000) and the maintainers have approved on my working plan.

Motivation

Test Plan

Test links

Deploy preview: https://deploy-preview-10552--docusaurus-2.netlify.app/

Related issues/PRs

Fix https://github.com/facebook/docusaurus/issues/7991