Optimal circuit path

[ziofil]

This PR can now on top of the features added in #397. The circuit is capable of determining an optimal contraction path using a combination of heuristics and branch-and-bound search.

[codecov]

Codecov Report

Attention: Patch coverage is 4.32099% with 155 lines in your changes missing coverage. Please review.

Project coverage is 86.13%. Comparing base (bc238b9) to head (4fb5019).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #413      +/-   ##
===========================================
- Coverage    88.05%   86.13%   -1.93%     
===========================================
  Files           80       81       +1     
  Lines         6473     6700     +227     
===========================================
+ Hits          5700     5771      +71     
- Misses         773      929     +156     

Files	Coverage Δ
mrmustard/lab_dev/circuit_components.py	95.66% <100.00%> (+0.04%)	⬆️
mrmustard/lab_dev/circuits.py	92.25% <ø> (ø)
mrmustard/math/lattice/strategies/vanilla.py	100.00% <100.00%> (ø)
mrmustard/lab_dev/wires.py	95.00% <37.50%> (-3.28%)	⬇️
mrmustard/lab_dev/bb.py	0.00% <0.00%> (ø)

... and 3 files with indirect coverage changes

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