change `Config.__dict__` to `Config._db` because [`__dict__` is a builtin attribute](https://docs.python.org/3/library/stdtypes.html?highlight=__dict__#object.__dict__)
change `Config.__dict__` to `Config._db` because [`__dict__` is a builtin attribute](https://docs.python.org/3/library/stdtypes.html?highlight=__dict__#object.__dict__)

heyitswither/raspberry-pi-chat