Remove stray blank lines and start every stack with ---

content/en/3.serveex/6.cloud/2.nextcloud.md

@@ -43,16 +43,13 @@ services:
     image: lscr.io/linuxserver/nextcloud:latest
     container_name: nextcloud
     environment:
-
       - PUID=${PUID}
       - PGID=${GUID}
       - TZ=Etc/UTC
     volumes:
-
       - /docker/nextcloud/config:/config
       - /docker/nextcloud/data:/data
     ports:
-
       - ${PORT}:443
     restart: unless-stopped
 ```
@@ -94,6 +91,7 @@ We assume you have a subdomain `nextcloud.yourdomain.com` with a `CNAME` pointin
 In Dockge, go to your SWAG stack and edit the compose to add Nextcloud's network:
 
 ```yaml [compose.yaml]
+---
 services:
   swag:
      container_name: # ...