Create common Time module and add time set cli command (#1157)

kasa/interfaces/time.py

@@ -0,0 +1,26 @@
+"""Module for time interface."""
+
+from __future__ import annotations
+
+from abc import ABC, abstractmethod
+from datetime import datetime, tzinfo
+
+from ..module import Module
+
+
+class Time(Module, ABC):
+    """Base class for tplink time module."""
+
+    @property
+    @abstractmethod
+    def time(self) -> datetime:
+        """Return timezone aware current device time."""
+
+    @property
+    @abstractmethod
+    def timezone(self) -> tzinfo:
+        """Return current timezone."""
+
+    @abstractmethod
+    async def set_time(self, dt: datetime) -> dict:
+        """Set the device time."""