Update documentation for new JS variables and rendering pipeline
Add script.js file support to content directories
Implement cache-busting for JavaScript files
Update static file serving to include JavaScript files
Document page-specific script loading in base.php
Introduce `feed` metadata option to enable Atom feeds
Update list item structure with standardized fields
Add `$feedUrl` template variable for autodiscovery
Improve date handling with raw/processed date separation
Document feed generation in architecture and rendering docs
Update template examples to use new item structure