Adding correct product names (pschmitt#86)

* Adding correct product names

* Implementing changes

* Adding device_model_str

* Git screwup

* Fix indent

pynuki/device.py

@@ -48,6 +48,20 @@ def device_type_str(self):
         logger.error(f"Unknown device type: {dev}")
         return "UNKNOWN"
 
+    @property
+    def device_model_str(self):
+        dev = self.device_type
+        if dev == const.DEVICE_TYPE_LOCK:
+            return "Nuki Smart Lock 1.0/2.0"
+        elif dev == const.DEVICE_TYPE_OPENER:
+            return "Nuki Opener"
+        elif dev == const.DEVICE_TYPE_SMARTDOOR:
+            return "Nuki Smart Door"
+        elif dev == const.DEVICE_TYPE_SMARTLOCK3:
+            return "Nuki Smart Lock 3.0 (Pro)"
+        logger.error(f"Unknown device type: {dev}")
+        return "UNKNOWN"
+
     @property
     def mode(self):
         return self._json.get("mode")