- Updated `.env` file to include `DB_MAX_CONNECTIONS` and `ENVIRONMENT` variables.
- Modified `Cargo.toml` to add `thiserror` and `time` dependencies, and updated `sqlx` features.
- Refactored `main.rs` to implement periodic tasks for checking future shifts and printing the current hospital.
- Expanded routing in `routes.rs` to include a new endpoint for current hospital status.
- Improved database initialization in `init.rs` to conditionally drop tables based on the environment.
- Enhanced error handling in database operations and added logging for better traceability.
- Updated hospital management logic in `hospital.rs` to fetch and store shifts with improved timestamp logging.
