Fix bugs, add README and Makefile

birthday_pool_bot/telegram_bot/polling/service.py

@@ -3,6 +3,7 @@ from birthday_pool_bot.telegram_bot.base import BaseTelegramBotService
 
 class TelegramBotPollingService(BaseTelegramBotService):
     async def listen_events(self):
+        await self._bot.delete_webhook()
         await self._dispatcher._polling(  # pylint: disable=protected-access
             bot=self._bot,
             polling_timeout=self._settings.timeout,

birthday_pool_bot/telegram_bot/polling/settings.py

@@ -8,7 +8,7 @@ from birthday_pool_bot.telegram_bot.settings import TelegramBotSettings
 
 class TelegramBotPollingSettings(TelegramBotSettings):
     method: Literal[TelegramBotMethodEnum.POLLING.value] = (
-        TelegramBotMethodEnum.POLLING
+        TelegramBotMethodEnum.POLLING.value
     )
 
     timeout: PositiveInt = 10  # in seconds