Update Web Scraper README with detailed documentation

[CommitToday]

Overview This PR updates the Web Scraper README to provide comprehensive documentation for both the traditional web scraper and the new Google Custom Search scraper. It includes usage instructions, prerequisites, and features to help users effectively utilize both scripts.

Checklist

• [x] Code changes are made
• [x] Documentation is updated
• [x] Tests are added (not applicable for README changes)

Proof The README has been updated to include detailed instructions for both web scraper scripts. The traditional scraper is documented with its basic usage, while the Google Custom Search scraper has comprehensive documentation covering prerequisites, installation, setup, usage examples, and available options.

Closes #499