Reorganizing models

[ericbuckley]

Description

Reorganizing models into the recordlinker.models package.

Related Issues

Related to issue #23

Additional Notes

• Reorganizing the models into 4 separate modules to keep their purposes distinct.
  • recordlinker.models.base: general high purpose base implementations for the ORM
  • recordlinker.models.mpi: models specific to the MPI tables
  • recordlinker.models.algorithm: models specific to persisting the algorithm configuration
  • recordlinker.models.pii: models specific to parsing patient document input
• Moving recordlinker.linkage.simple_mpi to recordlinker.linking.mpi_service. Going forward, the recordlinker.linkage package will be the old schema/algorithm and the recordlinker.linking package will be the new one.
• Adding two new matchers, simple_feature_match_exact and simple_feature_match_fuzzy_string, for processing structured record and Patient data (for future use by the upcoming recordlinker.linking.link module)

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Checklist

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• I have ensured that the pull request is of a manageable size, allowing it to be reviewed within a single session.
• I have reviewed my changes to ensure they are clear, concise, and well-documented.
• I have updated the documentation, if applicable.
• I have added or updated test cases to cover my changes, if applicable.
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Checklist for Reviewers

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• The code follows best practices and conventions.
• The changes implement the desired functionality or fix the reported issue.
• The tests cover the new changes and pass successfully.
• Any potential edge cases or error scenarios have been considered.