Score-based permutation solver

[tky823]

Summary

Implement a score-based permutation solver. This is useful to cACGMM and FDCIA.

ref: #214, #63

[codecov-commenter]

Codecov Report

Base: 94.55% // Head: 94.35% // Decreases project coverage by -0.21% ⚠️

Coverage data is based on head (bde4828) compared to base (3909f7f).
Patch coverage: 89.89% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #221      +/-   ##
==========================================
- Coverage   94.55%   94.35%   -0.21%     
==========================================
  Files          39       39              
  Lines        4834     4981     +147     
==========================================
+ Hits         4571     4700     +129     
- Misses        263      281      +18     

Impacted Files	Coverage Δ
ssspy/bss/_solve_permutation.py	100.00% <ø> (ø)
ssspy/algorithm/permutation_alignment.py	88.28% <89.02%> (+2.56%)	⬆️
ssspy/bss/cacgmm.py	90.47% <89.77%> (-1.59%)	⬇️
ssspy/bss/fdica.py	92.30% <92.85%> (-0.20%)	⬇️

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