ADD:(CI) windows; refactor README

[RBhupi]

PR tags (required)

Select all that apply.

• docs-only
• tests-only
• tiny-change (<5 lines, single class/file)
• code-change
• scientific/algorithmic
• design/architecture
• GUI

What changed

Added windows in CI.

Why

Let's check if this works as is.

Issues closed

Closes #29

Validation

Mark each item as done or N/A. Add one short evidence line for each item.

• I ran ruff

  • Evidence (command + pass/fail):
  • N/A reason (if not run):

• I ran import-linter

  • Evidence (command + pass/fail):
  • N/A reason (if not run):

• I ran tests

  • Evidence (command + pass/fail):
  • N/A reason (if not run):

AI usage & manual verification

No AI was used in this change.

Reviewer guide

ci.yml

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 19.88%. Comparing base (ba3342f) to head (ba8632c).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #32   +/-   ##
=======================================
  Coverage   19.88%   19.88%           
=======================================
  Files          49       49           
  Lines        6079     6079           
  Branches      863      863           
=======================================
  Hits         1209     1209           
  Misses       4761     4761           
  Partials      109      109           

Flag	Coverage Δ
unittests	19.88% <ø> (ø)

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[RBhupi]

CI fails with windows added to the matrix. I may close it later without implementing Windows at this time.