xtrasimplicity/rails_readonly_injector

## Problem

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#### Related issues:
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## How this PR resolves the problem

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## Types of changes

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- [ ] Bug fix (non-breaking change which fixes an issue).
- [ ] New feature (non-breaking change which adds functionality).
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).

## Checklist:

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- [ ] I've added tests for my code.
- [ ] My change requires a change to the documentation.
- [ ] I have updated the documentation accordingly.