[lvgl] Stage 4 (#7166)

esphome/components/lvgl/lv_switch.py

@@ -0,0 +1,20 @@
+from .defines import CONF_INDICATOR, CONF_KNOB, CONF_MAIN
+from .types import LvBoolean
+from .widget import WidgetType
+
+CONF_SWITCH = "switch"
+
+
+class SwitchType(WidgetType):
+    def __init__(self):
+        super().__init__(
+            CONF_SWITCH,
+            LvBoolean("lv_switch_t"),
+            (CONF_MAIN, CONF_INDICATOR, CONF_KNOB),
+        )
+
+    async def to_code(self, w, config):
+        return []
+
+
+switch_spec = SwitchType()