Docs: Fix DOIs

[timothyas]

Closes #76

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.20%. Comparing base (fd24869) to head (14d53c2).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #77   +/-   ##
=======================================
  Coverage   96.20%   96.20%           
=======================================
  Files          11       11           
  Lines        1029     1029           
=======================================
  Hits          990      990           
  Misses         39       39           

Flag	Coverage Δ
unittests	96.20% <ø> (ø)

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