Add course layouts scraping and rating calculation system

Features added:
- Course directory scraping with pagination for Swedish courses
- Layout scraping from course detail pages (AJAX tabs)
- Event results scraping to calculate layout ratings
- Mean rating calculation based on players who shot par
- Last played date tracking for each layout (extracted from event pages)
- Multi-event aggregation for accurate ratings across tournaments

Database:
- Added courses table (name, link, city, last_updated)
- Added layouts table (name, par, mean_rating, rating_count, last_played)
- Added database migrations for new columns
- Foreign key relationship between courses and layouts

API endpoints:
- POST /api/scrape-courses - scrape course directory
- POST /api/scrape-layouts/:courseId - scrape layouts and events (combined)
- POST /api/scrape-all-layouts - bulk scrape all courses
- POST /api/scrape-event-results/:courseId - process event results
- GET /api/courses - fetch all courses
- GET /api/layouts/:courseId - fetch layouts for course

UI:
- New courses.html page for course/layout management
- Expandable course rows showing layouts
- Display layout par, mean rating, and last played date
- Layouts sorted by most recently played (newest first)
- Individual and bulk scraping controls

Technical details:
- Date extraction using regex pattern matching from event pages
- Proper detection of division results in details/table.results structure
- Round score and rating extraction from td.round/td.round-rating pairs
- Course location from td.views-field-field-course-location

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

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

docker-compose.yml

@@ -0,0 +1,15 @@
+version: '3.8'
+
+services:
+  pdga-ratings:
+    build: .
+    container_name: pdga-ratings
+    ports:
+      - "3000:3000"
+    volumes:
+      - pdga-data:/app/data
+      - ./pdga-numbers.txt:/app/pdga-numbers.txt:ro
+    restart: unless-stopped
+
+volumes:
+  pdga-data: