Add support for T100 motion sensor (#1079)

Add support for T100 motion sensor.
Thanks to @DarthSonic for the fixture file!

kasa/smart/modules/motionsensor.py

@@ -0,0 +1,36 @@
+"""Implementation of motion sensor module."""
+
+from __future__ import annotations
+
+from ...feature import Feature
+from ..smartmodule import SmartModule
+
+
+class MotionSensor(SmartModule):
+    """Implementation of motion sensor module."""
+
+    REQUIRED_COMPONENT = "sensitivity"
+
+    def _initialize_features(self):
+        """Initialize features."""
+        self._add_feature(
+            Feature(
+                self._device,
+                id="motion_detected",
+                name="Motion detected",
+                container=self,
+                attribute_getter="motion_detected",
+                icon="mdi:motion-sensor",
+                category=Feature.Category.Primary,
+                type=Feature.Type.BinarySensor,
+            )
+        )
+
+    def query(self) -> dict:
+        """Query to execute during the update cycle."""
+        return {}
+
+    @property
+    def motion_detected(self):
+        """Return True if the motion has been detected."""
+        return self._device.sys_info["detected"]