Honeycomb color code via Hecke's Group Algebra

[Fe-r-oz]

This PR provides the group algebraic implementation of honeycomb color codes.

Edit:

• The code is properly formatted and commented.
• Substantial new functionality is documented within the docs.
• All new functionality is tested.
• All of the automated tests on github pass.
• We recently started enforcing formatting checks. If formatting issues are reported in the new code you have written, please correct them.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.02%. Comparing base (5fcf353) to head (2f52f2c).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #436      +/-   ##
==========================================
+ Coverage   83.00%   83.02%   +0.02%     
==========================================
  Files          71       71              
  Lines        4565     4572       +7     
==========================================
+ Hits         3789     3796       +7     
  Misses        776      776              

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[Fe-r-oz]

Please help review this PR, Thank you!