Initial commit: PDGA rating scraper and predictor

- Web scraping app for PDGA player ratings
- Current rating extraction from player pages
- Tournament round rating scraping for predictions
- Statistical rating prediction algorithm
- Interactive table with on-demand calculations
- Caching for performance optimization

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

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+node_modules/
+.env
+.cache/
+*.log