Add LightEffect module for smart light strips (#918)

Implements the `light_strip_lighting_effect` components for
`smart` devices. Uses a new list of effects captured from a L900 which
are similar to the `iot` effects but include some additional properties
and a few extra effects.

Assumes that a device only implements `light_strip_lighting_effect` or
`light_effect` but not both.

kasa/smart/modules/__init__.py

@@ -18,6 +18,7 @@ from .humiditysensor import HumiditySensor
 from .led import Led
 from .light import Light
 from .lighteffect import LightEffect
+from .lightstripeffect import LightStripEffect
 from .lighttransition import LightTransition
 from .reportmode import ReportMode
 from .temperaturecontrol import TemperatureControl
@@ -44,6 +45,7 @@ __all__ = [
     "Cloud",
     "Light",
     "LightEffect",
+    "LightStripEffect",
     "LightTransition",
     "ColorTemperature",
     "Color",