fix: Add country field to venue creation in import script

backend/comprehensive_import.py

@@ -95,6 +95,7 @@ def import_shows_and_setlists():
                         name=venue_name,
                         city=city,
                         state=state,
+                        country=api_show.get("country", "USA"),  # Get country from API
                         vertical_id=1  # Goose vertical
                     )
                     session.add(venue)