Add binary sensor to Trafikverket Camera (#28865)

source/_integrations/trafikverket_camera.markdown

@@ -2,6 +2,7 @@
 title: Trafikverket Camera
 description: Instructions how to integrate Trafikverket Camera within Home Assistant.
 ha_category:
+  - Binary sensor
   - Camera
 ha_release: 2023.9
 ha_iot_class: Cloud Polling
@@ -10,6 +11,7 @@ ha_codeowners:
   - '@gjohansson-ST'
 ha_domain: trafikverket_camera
 ha_platforms:
+  - binary_sensor
   - camera
 ha_integration_type: integration
 ---
@@ -24,6 +26,10 @@ Please click [here](https://api.trafikinfo.trafikverket.se/) and register to obt
 
 {% include integrations/config_flow.md %}
 
+## Binary sensor
+
+- Active
+
 ## Additional attributes
 
 - Location (placement of camera)