General project maintenance

[jorgepiloto]

Before #60, this project needs to be updated from the following points of view:

• [x] New code style via pre-commit triggered by Tox style environment.
• [x] Manually defined labels.
• [x] Issues forms.
• [x] Host stable documentation in https://jorgepiloto.space/projects/lamberthub

[codecov-commenter]

Codecov Report

Merging #62 (6b7d05b) into main (fedf6aa) will increase coverage by 4.13%. The diff coverage is 92.30%.

@@            Coverage Diff             @@
##             main      #62      +/-   ##
==========================================
+ Coverage   90.41%   94.54%   +4.13%     
==========================================
  Files          19       19              
  Lines        1262     1266       +4     
  Branches      182        0     -182     
==========================================
+ Hits         1141     1197      +56     
+ Misses         70       69       -1     
+ Partials       51        0      -51     

Impacted Files	Coverage Δ
src/lamberthub/universal_solvers/gooding.py	90.84% <66.66%> (+12.08%)	:arrow_up:
src/lamberthub/universal_solvers/arora.py	83.95% <88.88%> (+5.55%)	:arrow_up:
src/lamberthub/ecc_solvers/utils.py	96.70% <90.00%> (+1.09%)	:arrow_up:
src/lamberthub/ecc_solvers/avanzini.py	100.00% <100.00%> (ø)
src/lamberthub/p_solvers/battin.py	100.00% <100.00%> (ø)
src/lamberthub/p_solvers/gauss.py	94.54% <100.00%> (+1.81%)	:arrow_up:
src/lamberthub/plotting/_base.py	96.22% <100.00%> (+3.77%)	:arrow_up:
src/lamberthub/plotting/iterations.py	100.00% <100.00%> (ø)
src/lamberthub/plotting/time.py	100.00% <100.00%> (ø)
src/lamberthub/universal_solvers/izzo.py	92.24% <100.00%> (+4.65%)	:arrow_up:
... and 11 more

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