fix: Mount entire SearXNG config directory to avoid file/directory issues

- Mount ./searxng as /etc/searxng:rw instead of individual files
- Remove custom entrypoint.sh (no longer needed)
- Simplify settings.yml configuration

docker-compose.yml

@@ -61,8 +61,8 @@ services:
       - SEARXNG_BASE_URL=http://searxng:8080
       - SEARXNG_SECRET=priceflow-searxng-secret
     volumes:
-      - ./searxng/settings.yml:/etc/searxng/settings.yml:ro
-      - ./searxng/limiter.toml:/etc/searxng/limiter.toml:ro
+      # Mount entire config directory to avoid file/directory issues
+      - ./searxng:/etc/searxng:rw
     dns:
       - 8.8.8.8
       - 8.8.4.4