Reemplaza setup.py por pyproject.toml

[albertotb]

setup.py desaparecerá en algún momento

Closes #16

[codecov-commenter]

Codecov Report

Patch coverage: 85.18% and project coverage change: +32.75% 🎉

Comparison is base (0da59ac) 50.00% compared to head (0a1a969) 82.75%.

❗ Current head 0a1a969 differs from pull request most recent head 3175f00. Consider uploading reports for the commit 3175f00 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #17       +/-   ##
===========================================
+ Coverage   50.00%   82.75%   +32.75%     
===========================================
  Files           2        3        +1     
  Lines           4       29       +25     
===========================================
+ Hits            2       24       +22     
- Misses          2        5        +3     

Files Changed	Coverage Δ
template/main.py	70.00% <66.66%> (ø)
tests/conftest.py	91.66% <91.66%> (ø)
tests/test_trivial.py	85.71% <100.00%> (-14.29%)	⬇️

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