feat(lib): add basic support for ray tracing on multiple devices

[jeertmans]

Add basic support for tracing paths in parallel.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.65%. Comparing base (7471230) to head (8e6f45b).
Report is 105 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #128      +/-   ##
==========================================
+ Coverage   78.43%   78.65%   +0.22%     
==========================================
  Files          25       25              
  Lines        1683     1701      +18     
==========================================
+ Hits         1320     1338      +18     
  Misses        363      363              

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

[codspeed-hq]

CodSpeed Performance Report

Merging #128 will not alter performance

_{Comparing pmap (8e6f45b) with main (7471230)}

Summary

✅ 9 untouched benchmarks