* Add table of contents to improve README navigation
* Update About section to reflect migration from static site to Haskell
project
* Change default fallback port from 3000 to 8080 when PORT env var is
not set
* Migrate from static HTML/JS to Haskell/Scotty web application
* Add server-side routing and API endpoints
* Implement language switching and command processing
* Set up project structure with stack
* Move static assets to dedicated directory
* Add type definitions and template rendering