mrdShinse/sns_blacklist_rails

connects to #[ISSUE_NUMBER]

### Context
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### How has this been tested?
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### Types of changes
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- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature or improvement (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

### Related issue(s):
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### Checklist:
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- [ ] My code follows the code style of this project,
- [ ] My change requires a change to the documentation.