- Added markdown generator parameter to CrawlerRunConfig in `async_configs.py`. - Implemented logic for Markdown generation in content scraping in `async_webcrawler.py`. - Updated version number to 0.4.21 in `__version__.py`.
- Added markdown generator parameter to CrawlerRunConfig in `async_configs.py`. - Implemented logic for Markdown generation in content scraping in `async_webcrawler.py`. - Updated version number to 0.4.21 in `__version__.py`.