run method
For CLI
Organise image's file according to the setting in the config instance
Implementation
int run() {
int exitCode = 0;
int nMovedFile = 0;
List<FileSystemEntity> entities = _getFileEntitiesInDirectory(
config.assetFolderPath, config.fileExtensions);
for (var entity in entities) {
nMovedFile += moveFileToItsResolutionFolder(entity);
}
print('$nMovedFile file(s) have been arranged.');
return exitCode;
}