Added typehints for init methods of types and methods (#1245)

* Generate init

* Fixed mypy errors

* Bump butcher

* Added changelog

docs/api/methods/answer_shipping_query.rst

@@ -43,3 +43,9 @@ As reply into Webhook in handler
 .. code-block:: python
 
     return AnswerShippingQuery(...)
+
+
+As shortcut from received object
+--------------------------------
+
+- :meth:`aiogram.types.shipping_query.ShippingQuery.answer`