Fastcrawl

Add ability to pass data from request to callback (`callback_data` attribute of the request).

- Add ability to add `errback` for the request (optional)
- Add `additional_success_status_codes` crawler setting (to process responses that have a status outside of 200-299 in a callback)
- Add `on_start` and `on_finish` methods in crawler (the same as in pipeline)

Remove generic from pipeline and add `allowed_items` attribute

Add logger_name_suffix to log config

Add ability to write logs to a file

Add py.typed marker for the library