first commit
second commit
Merge pull request #1 from d-ikeda/feature/add-user

Feature/add user
third commit
Merge pull request #2 from d-ikeda/feature/3rdcommit

third commit
Merge branch 'release/1.0.0'
4th commit
Merge pull request #3 from d-ikeda/feature/4thcommit

4th commit
Merge branch 'release/2.0.0'