Pg data layer

[BrunoV21]

Overview

This pull request combines the changes from the last three commits, delivering the following improvements and updates:

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1. Dependency Updates

• Updated several package versions in requirements.txt to ensure compatibility and security.
• Notable updates include:
  • loguru to 0.7.3
  • orjson to 3.10.13
  • pydantic to 2.10.3
  • pygit2 to 1.18.0
  • And others as listed in the file.

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2. Documentation Enhancements

• Added a comprehensive CONTRIBUTING.md file.
  • Provides clear guidelines for adding new language parsers.
  • Outlines code style, testing requirements, and integration steps.
  • Includes a minimal parser example and instructions for running tests.

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3. Project Metadata Improvements

• Updated setup.py to improve how the long description is loaded from README.md.
• Ensures correct encoding and path resolution for package metadata.

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Testing & Validation

• Please run pytest to verify all tests pass.
• Review the new CONTRIBUTING.md for clarity and completeness.
• Confirm that dependency updates do not introduce compatibility issues in your environment.

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Additional Notes

• No breaking changes are expected.
• These updates lay the groundwork for easier parser contributions and improved package management.

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Please review and merge if all checks pass.