loadConfig method
Implementation
Future<Config> loadConfig() async
{
Config? config;
final configName = globalResults?.option('config');
if (configName != null) {
config = await _loadConfig(fileName: configName);
}
config ??= await _loadConfig(fileName: 'dbtools.yaml');
config ??= await _loadConfig(fileName: 'pubspec.yaml', fileKey: 'dbtools');
return config ?? const Config();
}