Add qBittorrent entry

Service-Widgets.md

@@ -176,6 +176,19 @@ widget:
 ```
 
 
+## qBittorrent
+
+Uses the same username and password used to login from the web.
+
+```yaml
+widget:
+  type: qbittorrent
+  url: http://qbittorrent.host.or.ip
+  username: username
+  password: password
+```
+
+
 ## Transmission
 
 Uses the same username and password used to login from the web.