VSN-1041/Connect to FTP server and fetch daily JSON files by date
- Clean raw data using pandas: remove duplicates and invalid immatriculations
- Transform data to fit geoloc service schema (deviceId, carRegistration, trips, points)
- Add centralized logging with info/warning/error levels
- Schedule ETL execution daily at 4 AM (Paris time) via APScheduler
- Externalize config via .env file for secure FTP and scheduling settings
- Prepare for API call to Spring Boot geolocation service for data insertion