Merge pull request #8 from ytake/develop-annotations

Develop annotations
Merge pull request #9 from ytake/develop-annotations

Develop annotations
Merge pull request #10 from ytake/develop-annotations

Develop annotations
Merge pull request #11 from ytake/develop-annotations

Update .scrutinizer.yml
Merge pull request #12 from ytake/develop-annotations

refactor
Merge pull request #13 from ytake/develop-annotations

Develop annotations
rename file, class
Merge pull request #14 from ytake/develop

merged