Health endpoint, file types config, budget rename, UI fixes

- Add /api/health endpoint (returns 200 OK without auth)
- Update docker-compose healthcheck to use /api/health
- Admin: configurable allowed file types
- Budget categories can now be renamed (inline edit)
- Place inspector: opening hours + files side by side on desktop
- Address clamped to 2 lines, coordinates hidden on mobile
- Category icon-only on mobile, rating hidden on mobile
- Time validation: "10" becomes "10:00"
- Hotel picker: separate save button, edit opens full popup
- Day header background improved for dark mode
- Notes: 150 char limit with counter, textarea input
- Files grid: full width when no opening hours
- Various responsive fixes

docker-compose.yml

@@ -14,7 +14,7 @@ services:
       - ./uploads:/app/uploads
     restart: unless-stopped
     healthcheck:
-      test: ["CMD", "wget", "-qO-", "http://localhost:3000/api/auth/me"]
+      test: ["CMD", "wget", "-qO-", "http://localhost:3000/api/health"]
       interval: 30s
       timeout: 10s
       retries: 3