feat: create a full fillet between multiple faces

[jonahrb]

Description

Create a full fillet (round) between a collection of faces.

Issue linked

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate unit tests.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have added the minimum version decorator to any new backend method implemented.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[RobPasMue]

LGTM!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.37%. Comparing base (e4955c0) to head (39d3b5f).
Report is 1 commits behind head on blitz.

Additional details and impacted files

@@            Coverage Diff             @@
##            blitz    #1623      +/-   ##
==========================================
+ Coverage   91.36%   91.37%   +0.01%     
==========================================
  Files          87       87              
  Lines        7147     7156       +9     
==========================================
+ Hits         6530     6539       +9     
  Misses        617      617              

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