rngdet_plus and rngdet model adding

[mjyun01]

Description

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Type of change

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• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] Documentation update
• [ ] TensorFlow 2 migration
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [V] A new research paper code implementation
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Tests

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Test Configuration:

Checklist

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