Creates a sitemap.xml file listing all generated pages in the register for search engine optimization and crawling.
Arguments
- register_table
The preprocessed register table with all entries
- filter_by
List of filters used (e.g., "venues", "codecheckers")
- output_dir
Output directory for the sitemap (default: "docs")
- base_url
Base URL for the register (default: from CONFIG)
- lastmod
Last modification date (default: current date in ISO 8601 format)