Add config flow to Scrape (#24921)

source/_integrations/scrape.markdown

@@ -5,6 +5,7 @@ ha_category:
   - Sensor
 ha_release: 0.31
 ha_iot_class: Cloud Polling
+ha_config_flow: true
 ha_codeowners:
   - '@fabaff'
   - '@gjohansson-ST'
@@ -23,6 +24,10 @@ If you are not using Home Assistant Container or Home Assistant Operating System
 sudo apt install libxml2
 ```
 
+Both UI and YAML setup is supported while YAML provides additional configuration possibilities.
+
+{% include integrations/config_flow.md %}
+
 To enable this sensor, add the following lines to your `configuration.yaml` file:
 
 ```yaml