refactor: pre-release cleanup

[balajtimate]

Description

• Remove cluster_tests directory, update .gitignore, remove mined_test_data.tsv (include them in separate repo)
• Update README with correct order of results inference, update cli test
• Minor refactor of get_lib_type.py to fix _update_relationship_type()
• Update tests

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Documentation update

Checklist

Please carefully read these items and tick them off if the statements are true
or do not apply.

• I have performed a self-review of my own code
• My code follows the existing coding style, lints and generates no new
  warnings
• I have added type annotations to all function/method signatures, and I
  have added type annotations for any local variables that are non-trivial,
  potentially ambiguous or might otherwise benefit from explicit typing.
• I have commented my code in hard-to-understand areas
• I have added ["Google-style docstrings"] to all new modules, classes,
  methods/functions or updated previously existing ones
• 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 and I have not
  reduced the code coverage relative to the previous state
• I have updated any sections of the app's documentation that are affected
  by the proposed changes

If for some reason you are unable to tick off all boxes, please leave a
comment explaining the issue you are facing so that we can work on it
together.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (69ea74c) 100.00% compared to head (3ad8d6a) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##               dev      #162   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           13        13           
  Lines         1143      1143           
=========================================
  Hits          1143      1143           

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