Extract qbittorrent creds into env vars

.env.example

@@ -13,6 +13,8 @@ HOSTNAME=localhost
 ADGUARD_HOSTNAME=
 ADGUARD_USERNAME=
 ADGUARD_PASSWORD=
+QBITTORRENT_USERNAME=admin
+QBITTORRENT_PASSWORD=adminadmin
 DNS_CHALLENGE=true
 DNS_CHALLENGE_PROVIDER=cloudflare
 LETS_ENCRYPT_CA_SERVER="https://acme-v02.api.letsencrypt.org/directory"

docker-compose.yml

@@ -167,8 +167,8 @@ services:
       - homepage.weight=5
       - homepage.widget.type=qbittorrent
       - homepage.widget.url=http://vpn:8080
-      - homepage.widget.username=admin
-      - homepage.widget.password=adminadmin
+      - homepage.widget.username=${QBITTORRENT_USERNAME}
+      - homepage.widget.password=${QBITTORRENT_PASSWORD}
   vpn:
     image: thrnz/docker-wireguard-pia
     container_name: vpn