add doc

discord/flags.py

@@ -404,6 +404,8 @@ class Intents(BaseFlags):
 
     @classmethod
     def from_list(cls, intents_list):
+        """A factory method that creates a :class:`Intents` with everything enabled
+        that has been passed in the list."""
         for item in intents_list:
             if item not in cls.VALID_FLAGS.keys():
                 intents_list.remove(item)