feat: Implement convex partitioning

[samestep]

Description

This PR implements convexPartitions in contrib/Minkowski using poly-decomp.js.

Gist with an SVG visualizing the test case added in this PR: https://gist.github.com/samestep/288e63d2bdd2279d55585d32a4676c9e

Checklist

• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new ESLint warnings
• I have reviewed any generated changes to the diagrams/ folder

[codecov]

Codecov Report

Merging #877 (c4f2526) into main (6b324e4) will increase coverage by 0.04%.
The diff coverage is 89.47%.

@@            Coverage Diff             @@
##             main     #877      +/-   ##
==========================================
+ Coverage   67.39%   67.43%   +0.04%     
==========================================
  Files          62       62              
  Lines        8164     8181      +17     
  Branches     1768     1771       +3     
==========================================
+ Hits         5502     5517      +15     
- Misses       2655     2657       +2     
  Partials        7        7              

Impacted Files	Coverage Δ
packages/core/src/contrib/Minkowski.ts	97.56% <89.47%> (-2.44%)	⬇️

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[jiriminarcik]

Great and simple solution. :) I want to do some more end-to-end tests and try it on some examples. Will do it later in a separate PR.