Add statistics bar at bottom of page showing Total Visits, Unique Visitors, and Countries

Fix indentation using sed

Add missing tracking functions with robust error handling

Fix indentation error using sed

Add /stats route for viewing analytics statistics

Add cumulative analytics tracking with persistent statistics (visits, unique visitors, countries, dates)

Fix auto-play to persist across page reloads using URL parameters

Add error handling for empty dataset - allow app to start and show error message

Add root route redirect to /tagger for HuggingFace Spaces

Configure app to load data from HuggingFace dataset instead of local filesystem

Add Dockerfile and requirements.txt for HuggingFace Space, update app.py for HF deployment

Rename anno4 copy.py to app.py and update README