Update link to the ManifoldProjection docs

[codecov-commenter]

Codecov Report

Merging #234 (abf9df6) into main (04b02c3) will decrease coverage by 0.54%. The diff coverage is n/a.

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@@            Coverage Diff             @@
##             main     #234      +/-   ##
==========================================
- Coverage   96.17%   95.63%   -0.54%     
==========================================
  Files          33       33              
  Lines        1149     1191      +42     
==========================================
+ Hits         1105     1139      +34     
- Misses         44       52       +8     

see 20 files with indirect coverage changes

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[nathanaelbosch]

Thanks!