* fix(#7080): sitemap should only add trailing slash to pages
* fix(sitemap): only include pages in sitemap
* chore: add test
* chore: remove unused import
* docs: update readme
* feat(sitemap): support SSR generated routes
* feat(sitemap): add changeset for SSR support
* refactor: move logic to `astro:build:done`
* generate route to obey `trailingSlash` setting
* add logic to respect "directory" build format
* integration(sitemap): add unit test for ssr support