Update Benchmarks

[faridyagubbayli]

Add benchmark results for Windows/Linux CPU/GPU

Greptile Summary

The PR updates the benchmark documentation with Windows and Linux CPU/GPU results.

• Adds k-wave-python and binary version columns.
• Records runtimes and hardware for Python and C++ backends across several grid sizes.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
docs/README.md	Expands the benchmark table with version metadata and Windows/Linux CPU and GPU measurements.

_{Reviews (2): Last reviewed commit: "Revert contrib line" | Re-trigger Greptile}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.83%. Comparing base (192623d) to head (27387a9).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #780   +/-   ##
=======================================
  Coverage   75.83%   75.83%           
=======================================
  Files          58       58           
  Lines        8274     8274           
  Branches     1614     1614           
=======================================
  Hits         6275     6275           
  Misses       1373     1373           
  Partials      626      626           

Flag	Coverage Δ
3.10	75.80% <ø> (ø)
3.11	75.80% <ø> (ø)
3.12	75.80% <ø> (ø)
3.13	75.80% <ø> (ø)
macos-latest	75.71% <ø> (ø)
ubuntu-latest	75.71% <ø> (ø)
windows-latest	75.64% <ø> (ø)

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