Add basic type hints to ads (#62738)

Co-authored-by: epenet <epenet@users.noreply.github.com>

homeassistant/components/ads/light.py

@@ -10,7 +10,10 @@ from homeassistant.components.light import (
     LightEntity,
 )
 from homeassistant.const import CONF_NAME
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import (
     CONF_ADS_VAR,
@@ -31,7 +34,12 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def setup_platform(hass, config, add_entities, discovery_info=None):
+def setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up the light platform for ADS."""
     ads_hub = hass.data.get(DATA_ADS)