Add topic strengths

[woodthom2]

Description

Add the topic strengths to the return values, so we know how well the match is working.

Fixes App #13

harmonydata/app#13

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Testing

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• test_match_mhc.py - new unit test
• Have you ever felt annoyed by criticism of your drinking - should not throw up a match from MHC that is unrelated to the topic.

Test Configuration

• Library version: 0.5.2
• OS: Ubuntu
• Toolchain: Python 3.11

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings