Refactor legacy libraries loader

[alessio-perugini]

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[codecov-commenter]

Codecov Report

Merging #33 (57dc8d7) into builder_refactor (90994dd) will decrease coverage by 0.01%.
The diff coverage is 74.62%.

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@@                 Coverage Diff                  @@
##           builder_refactor      #33      +/-   ##
====================================================
- Coverage             63.35%   63.34%   -0.01%     
====================================================
  Files                   220      217       -3     
  Lines                 19537    19527      -10     
====================================================
- Hits                  12378    12370       -8     
  Misses                 6079     6079              
+ Partials               1080     1078       -2     

Flag	Coverage Δ
unit	63.34% <74.62%> (-0.01%)	⬇️

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Files Changed	Coverage Δ
legacy/builder/create_cmake_rule.go	8.30% <0.00%> (ø)
legacy/builder/types/context.go	97.61% <ø> (ø)
legacy/builder/types/types.go	85.71% <ø> (ø)
commands/compile/compile.go	68.78% <65.30%> (-0.70%)	⬇️
arduino/builder/libraries.go	76.29% <76.29%> (ø)
legacy/builder/container_find_includes.go	70.00% <83.33%> (-1.82%)	⬇️
legacy/builder/builder.go	82.52% <100.00%> (-1.96%)	⬇️
legacy/builder/phases/libraries_builder.go	76.15% <100.00%> (ø)
legacy/builder/print_used_libraries_if_verbose.go	100.00% <100.00%> (ø)
...egacy/builder/unused_compiled_libraries_remover.go	76.00% <100.00%> (ø)
... and 1 more

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