Added
- Initial release of **KaggleDownloader** package.
- Added `authenticate_kaggle()` method to authenticate with Kaggle API using `kaggle.json`.
- Added `search_datasets(dataset_theme)` method to search for datasets on Kaggle by theme.
- Added `download_dataset(dataset_slug, path)` method to download datasets from Kaggle using dataset slug.
- Added `extract_zip(zip_path, extract_to)` method to extract zip files downloaded from Kaggle.
- Added command-line interface (CLI) support using `argparse` for dataset download.
- Added functionality to create download directories if they don’t exist.