Reorg device automation (#26880)

* async_trigger -> async_attach_trigger

* Reorg device automations

* Update docstrings

* Fix types

* Fix extending schemas

homeassistant/components/light/device_trigger.py

@@ -0,0 +1,33 @@
+"""Provides device trigger for lights."""
+from typing import List
+import voluptuous as vol
+
+from homeassistant.core import HomeAssistant, CALLBACK_TYPE
+from homeassistant.components.automation import AutomationActionType
+from homeassistant.components.device_automation import toggle_entity
+from homeassistant.const import CONF_DOMAIN
+from homeassistant.helpers.typing import ConfigType
+from . import DOMAIN
+
+
+TRIGGER_SCHEMA = toggle_entity.TRIGGER_SCHEMA.extend(
+    {vol.Required(CONF_DOMAIN): DOMAIN}
+)
+
+
+async def async_attach_trigger(
+    hass: HomeAssistant,
+    config: ConfigType,
+    action: AutomationActionType,
+    automation_info: dict,
+) -> CALLBACK_TYPE:
+    """Listen for state changes based on configuration."""
+    config = TRIGGER_SCHEMA(config)
+    return await toggle_entity.async_attach_trigger(
+        hass, config, action, automation_info
+    )
+
+
+async def async_get_triggers(hass: HomeAssistant, device_id: str) -> List[dict]:
+    """List device triggers."""
+    return await toggle_entity.async_get_triggers(hass, device_id, DOMAIN)