Add state and device class to scrape sensor (#19889)

source/_integrations/scrape.markdown

@@ -55,6 +55,16 @@ unit_of_measurement:
   description: Defines the units of measurement of the sensor, if any.
   required: false
   type: string
+device_class:
+  description: The [type/class](/integrations/sensor/#device-class) of the sensor to set the icon in the frontend.
+  required: false
+  type: device_class
+  default: None
+state_class:
+  description: The [state_class](https://developers.home-assistant.io/docs/core/entity/sensor#available-state-classes) of the sensor.
+  required: false
+  type: string
+  default: None
 authentication:
   description: Type of the HTTP authentication. Either `basic` or `digest`.
   required: false