Update docker/jellyfin/docker-compose.yml

Author: mafyuh

docker/jellyfin/docker-compose.yml

@@ -26,6 +26,8 @@ services:
     container_name: makemkv
     ports:
       - 5800:5800
+    environment:
+      - MAKEMKV_KEY=$MAKEMKV_KEY
     volumes:
       - /docker/appdata/makemkv:/config:rw
       - /home/mafyuh/makemkv/storage:/storage:rw