Refactoring: separate report generation and printing

[pilosus]

No description provided.

[codecov]

Codecov Report

Merging #120 (424744b) into main (1575f17) will increase coverage by 1.07%.
The diff coverage is 97.15%.

@@            Coverage Diff             @@
##             main     #120      +/-   ##
==========================================
+ Coverage   96.18%   97.26%   +1.07%     
==========================================
  Files          13       13              
  Lines         943     1022      +79     
  Branches       22       21       -1     
==========================================
+ Hits          907      994      +87     
+ Misses         14        7       -7     
+ Partials       22       21       -1     

Impacted Files	Coverage Δ
src/pip_license_checker/pypi.clj	98.40% <75.00%> (-0.80%)	⬇️
src/pip_license_checker/report.clj	92.98% <92.15%> (-7.02%)	⬇️
src/pip_license_checker/core.clj	94.59% <100.00%> (+11.26%)	⬆️
src/pip_license_checker/data.clj	100.00% <100.00%> (ø)
src/pip_license_checker/external.clj	100.00% <100.00%> (ø)
src/pip_license_checker/file.clj	100.00% <100.00%> (ø)

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