Make connection retries every minute (#288)

* Make connection retries every minute

This mimics the re-connect loop previosuly present, but in a simpler
form. Every 60 seconds, a new connection attempt is made as well as
initially when a device is set up.

* Fix device look up in reconnect loop

custom_components/localtuya/common.py

@@ -127,7 +127,7 @@ class TuyaDevice(pytuya.TuyaListener, pytuya.ContextualLogger):
         """Return if connected to device."""
         return self._interface is not None
 
-    def connect(self):
+    def async_connect(self):
         """Connect to device if not already connected."""
         if not self._is_closing and self._connect_task is None and not self._interface:
             self._connect_task = asyncio.create_task(self._make_connection())