* Add class helper ChatAction
* Change using helper to using enum.Enum
* Add test for class ChatAction
* Use black formatting
* Add pull request description to CHANGES
* Add test coverage
* Use AutoName class for enum values
* Move `AutoName` to separate file
* Move inheritance from `str`
* Fix failing mypy
* Delete old actions
Co-authored-by: Evgen Fil <evgfilim1@yandex.ru>
Upgrade architecture + 5.0 Bot API (#469)
* Moved `methods`, `types` and `client` to root package
* Removed update handler from routers to dispatcher
* Reworked events propagation mechanism to handlers
* Reworked inner middlewares logic (very small change)
* Updated to Bot API 5.0
* Initial migration from MkDocs to Sphinx + config for readthedocs
