feat(`__init__`): `__version__ ` for

update(`.flake8`): `/` instead of `\`

update(`README.md`): switching to `act4` domain on `pypi`

Merge pull request #5 from TheArtur128/development for 2.2.0 version

Code for 2.2.0 version

Merge pull request #4 from TheArtur128/development for 2.1.2 version

Code for 2.1.2 version

Merge pull request #3 from TheArtur128/development for 2.1.1 version

Code for 2.1.1 version

Merge pull request #1 from TheArtur128/development for 2.1.0 version

Code for 2.1.0 version

Test of maybe

Additional line