Add switch setup type hints [g-m] (#63303)

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

homeassistant/components/litejet/switch.py

@@ -2,6 +2,9 @@
 import logging
 
 from homeassistant.components.switch import SwitchEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from .const import DOMAIN
 
@@ -10,7 +13,11 @@ ATTR_NUMBER = "number"
 _LOGGER = logging.getLogger(__name__)
 
 
-async def async_setup_entry(hass, config_entry, async_add_entities):
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
     """Set up entry."""
 
     system = hass.data[DOMAIN]