Merge pull request #8 from denisyukphp/3.0.x

Merge pull request #6 from denisyukphp/3.0.x

Release 3.0.x

Fix ci.yml

Upgrade README.md

Upgrade package

Fix CI

Fix parallel-lint in CI

Merge pull request #4 from denisyukphp/3.0.x

Upgrade package

Update .gitignore