Chore: add ymlfmt (#9745)

docker/compose/docker-compose.postgres.yml

@@ -31,7 +31,6 @@ services:
     restart: unless-stopped
     volumes:
       - redisdata:/data
-
   db:
     image: docker.io/library/postgres:17
     restart: unless-stopped
@@ -41,7 +40,6 @@ services:
       POSTGRES_DB: paperless
       POSTGRES_USER: paperless
       POSTGRES_PASSWORD: paperless
-
   webserver:
     image: ghcr.io/paperless-ngx/paperless-ngx:latest
     restart: unless-stopped
@@ -59,7 +57,6 @@ services:
     environment:
       PAPERLESS_REDIS: redis://broker:6379
       PAPERLESS_DBHOST: db
-
 volumes:
   data:
   media: