feat: implement TED EU scraper with Playwright

- Add Playwright browser automation for TED EU tender scraping
- Install playwright + chromium browser dependencies
- Scraper successfully finds UK-relevant EU tenders (~11 per run)
- Uses headless Chrome with keyword filtering
- Add SCRAPERS_STATUS.md documentation

All 6 main scrapers now operational (digital-marketplace API still down).
Total active tenders: 626

package.json

@@ -19,6 +19,7 @@
     "jsonwebtoken": "^9.0.0",
     "nodemailer": "^8.0.1",
     "pg": "^8.10.0",
+    "playwright": "^1.58.2",
     "stripe": "^20.3.1"
   }
 }