fix: adding is_valid function to RoborockBase

Author: humbertogontijo

roborock/containers.py

@@ -257,6 +257,12 @@ def __init__(self, data: dict[str, any]) -> None:
         if isinstance(data, dict):
             self.update(data)
 
+    def is_valid(self):
+        return set(self.keys()) == set([
+            f for f in dir(self)
+            if not callable(getattr(self,f)) and not f.startswith('__')
+        ])
+
     def as_dict(self):
         return self.__dict__