feat: add matrixGetSubMatrix function

[jobo322]

No description provided.

[targos]

Please run eslint-fix and make sure your editor runs eslint on save.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.54%. Comparing base (8c9e233) to head (a54f5ed).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #236      +/-   ##
==========================================
+ Coverage   96.52%   96.54%   +0.01%     
==========================================
  Files         190      192       +2     
  Lines        5610     5636      +26     
  Branches     1217     1222       +5     
==========================================
+ Hits         5415     5441      +26     
  Misses        195      195              

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