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>

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "pdga-ratings",
+  "version": "1.0.0",
+  "description": "PDGA rating scraper and display",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "nodemon server.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "puppeteer": "^21.0.0",
+    "fs": "^0.0.1-security"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.1"
+  }
+}