Updated slot styling for improved user feedback and responsiveness. Simplified LN2 representation with a new level bar and adjusted refill logic to a 48-hour interval. Removed unused functions for cleaner backend code.
Refactored database and server configuration to handle environments (dev, test, prod) explicitly, including tailored database setup and SSL management. Separated slot and sample data loading for better control during initialization. Improved environment variable usage and error handling for production certificates.
