chore: apply yaml lint fixes across compose files

- Fix trailing whitespace in compose files
- Add missing final newlines (EOF)
- Fix indentation in dockmon (3-space -> 2-space) and glance monitor.yml
- Align comments consistently

adguardhome/compose.yaml

@@ -17,7 +17,7 @@ services:
     labels:
       - "traefik.enable=true"
       - "traefik.http.services.adguard.loadbalancer.server.port=3000"
-      
+
       # Prod Router
       - "traefik.http.routers.adguard.rule=Host(`dns.forust.xyz`) || Host(`adguard.forust.xyz`)"
       - "traefik.http.routers.adguard.entrypoints=websecure"
@@ -34,7 +34,7 @@ services:
       - "traefik.http.routers.dns-over-https.rule=(Host(`dns.forust.xyz` || Host(`adguard.forust.xyz`)) && PathPrefix(`/dns-query`))"
       - "traefik.http.routers.dns-over-https.entrypoints=websecure"
       - "traefik.http.routers.dns-over-https.tls.certresolver=letsencrypt"
-      
+
       # Glance Metadata
       - glance.name=adguard
       - glance.url=https://adguard.forust.xyz/