feat: Add dedicated example pages with large Vis.js visualizations

- Replace inline graph visualizations with dedicated example pages
- Create job-search.html, ecommerce.html, social.html, crm.html
- Each page features 600px interactive graphs (vs 300px inline)
- Include detailed explanations, multiple query examples, and real-world benefits
- Restore simple 'See example →' links in main landing page
- Remove old TypeScript example files from examples/ directory

🤖 Generated with Claude Code (https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: michaeloboyle