Add initial support for H100 and T315 (#776)

Adds initial support for H100 and its alarmmodule.

Also implements the following modules for T315:
* reportmodule (reporting interval)
* battery
* humidity
* temperature

kasa/smart/modules/battery.py

@@ -0,0 +1,47 @@
+"""Implementation of battery module."""
+from typing import TYPE_CHECKING
+
+from ...feature import Feature, FeatureType
+from ..smartmodule import SmartModule
+
+if TYPE_CHECKING:
+    from ..smartdevice import SmartDevice
+
+
+class BatterySensor(SmartModule):
+    """Implementation of battery module."""
+
+    REQUIRED_COMPONENT = "battery_detect"
+    QUERY_GETTER_NAME = "get_battery_detect_info"
+
+    def __init__(self, device: "SmartDevice", module: str):
+        super().__init__(device, module)
+        self._add_feature(
+            Feature(
+                device,
+                "Battery level",
+                container=self,
+                attribute_getter="battery",
+                icon="mdi:battery",
+            )
+        )
+        self._add_feature(
+            Feature(
+                device,
+                "Battery low",
+                container=self,
+                attribute_getter="battery_low",
+                icon="mdi:alert",
+                type=FeatureType.BinarySensor,
+            )
+        )
+
+    @property
+    def battery(self):
+        """Return battery level."""
+        return self._device.sys_info["battery_percentage"]
+
+    @property
+    def battery_low(self):
+        """Return True if battery is low."""
+        return self._device.sys_info["at_low_battery"]