Implementation of Wedge Count Algorithm

[lamg]

Closes #49

Remarks

• Wedge count is permissive, meaning that a wedge is determined every time two edges touch the same vertex, without taking into account the edge direction (they can be both outgoing, incoming or one outgoing and one incoming)
• self loops and double edges between two vertexes are excluded

[lamg]

Thanks for your suggestions @valbers :muscle:

[codecov[bot]]

Codecov Report

Merging #56 (35d47ea) into developer (1d6f5b9) will increase coverage by 1.38%. The diff coverage is 92.85%.

@@              Coverage Diff              @@
##           developer      #56      +/-   ##
=============================================
+ Coverage      24.18%   25.56%   +1.38%     
=============================================
  Files             29       30       +1     
  Lines           1406     1420      +14     
=============================================
+ Hits             340      363      +23     
+ Misses          1066     1057       -9     

Files	Coverage Δ
src/Graphoscope/Algorithms/WedgeCount.fs	92.85% <92.85%> (ø)

... and 1 file with indirect coverage changes

[LibraChris]

Looks good to me. Thank you for contributing to Graphoscope ^^