Ensure sitemaps are created

[chrisbbreuer]

Clear and concise description of the problem

Auto & zero-config sitemap generation.

Suggested solution

• [ ] Auto generate sitemap

Alternative

No response

Additional context

https://github.com/jbaubree/vite-plugin-pages-sitemap

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guide
• [X] Check that there isn't already an issue that requests the same feature (to avoid creating a duplicate)