add state to docker compose

docker-compose.yml

@@ -8,6 +8,7 @@ services:
     volumes:
       - ./patterns:/app/patterns # Map host folder to container folder
       - ./playlists.json:/app/playlists.json
+      - ./state.json:/app/state.json
     devices:
       - "/dev/ttyACM0:/dev/ttyACM0"
     privileged: true