fix: expose frontend :3000 and backend :8000 ports

Ports were missing, preventing direct access from the host.
Required for NPM reverse proxy and local testing.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

docker-compose.yml

@@ -70,6 +70,8 @@ services:
       target: production
     container_name: wordly-backend
     restart: unless-stopped
+    ports:
+      - "8000:8000"
     env_file:
       - .env
     environment:
@@ -138,6 +140,8 @@ services:
         NEXT_PUBLIC_API_URL: ""
     container_name: wordly-frontend
     restart: unless-stopped
+    ports:
+      - "3000:3000"
     env_file:
       - .env
     environment: