fix: auth failure for qbit due to missing credentials

.env.sample

@@ -45,6 +45,8 @@ PGADMIN_PASSWORD=
 SONARR_API_KEY=
 RADARR_API_KEY=
 SABNZBD_API_KEY=
+QBITTORRENT_USERNAME=
+QBITTORRENT_PASSWORD=
 
 # Decluttarr queue cleanup
 # Set to True first for dry-run validation, then False to enable cleanup actions.

docker-compose-files/arr-stack_template.yaml

@@ -580,6 +580,8 @@ services:
           api_key: "{{RADARR_API_KEY}}"
       QBITTORRENT: >
         - base_url: "http://gluetun:8080"
+          username: "{{QBITTORRENT_USERNAME:-}}"
+          password: "{{QBITTORRENT_PASSWORD:-}}"
           name: "qBittorrent"
       SABNZBD: >
         - base_url: "http://sabnzbd:8282"