chore: Add Unified Logging Base Class for Python

[lhrotk]

What changes are proposed in this pull request?

Provide a python implementation of unified logging's base class.

How is this patch tested?

• I have written tests (not required for typo or doc fix) and confirmed the proposed feature/bug-fix/change works.

Does this PR change any dependencies?

• No. You can skip this section.
• Yes. Make sure the dependencies are resolved correctly, and list changes here.

Does this PR add a new feature? If so, have you added samples on website?

• No. You can skip this section.
• Yes. Make sure you have added samples following below steps.

[github-actions]

Hey @lhrotk 👋!
Thank you so much for contributing to our repository 🙌.
Someone from SynapseML Team will be reviewing this pull request soon.

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[lhrotk]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cbc022c) 86.35% compared to head (289e496) 77.87%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2159      +/-   ##
==========================================
- Coverage   86.35%   77.87%   -8.48%     
==========================================
  Files         325      325              
  Lines       16959    16959              
  Branches     1524     1524              
==========================================
- Hits        14645    13207    -1438     
- Misses       2314     3752    +1438     

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[lhrotk]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[mhamilton723]

Gorgeous