feat(gaussian): Loop torontonian implementation

[Kolarovszki]

The loop torontonian is implemented according to
https://arxiv.org/abs/2202.04600 and https://arxiv.org/abs/2109.04528.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.52%. Comparing base (47ccdef) to head (5aa79bb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #341      +/-   ##
==========================================
+ Coverage   97.51%   97.52%   +0.01%     
==========================================
  Files          65       65              
  Lines        3415     3435      +20     
==========================================
+ Hits         3330     3350      +20     
  Misses         85       85              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.