Returns the sitemap for a router or dynamic page prefix.
The routerSitemap()
function returns a Promise that resolves to a list of
WixSitemapEntry
objects. Each
WixSitemapEntry
includes
information about a page, such as its URL, title, and name.
A sitemap is used by search engines to find the links to the site's pages.
The prefix of the router to get the sitemap for.