- Introduced `DEFAULT_CONFIG_TOML` to simplify default configuration loading.
- Replaced `show_progress` with `quiet` in configuration for improved clarity.
- Refactored `create_example_config` to use `NyxResult` and streamline logic with fallback handling.
- Added `default-nyx.conf` file for default configuration management.
- Enhanced `merge_configs` to include new parameters like `scan_timeout_secs` and `quiet`.
