docs: add detailed Windows support documentation to README files #2

	name: Workflow Sanity

	on:
	pull_request:
	push:

	jobs:
	no-tabs:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Fail on tabs in workflow files
	run: \|
	python - <<'PY'
	from __future__ import annotations

	import pathlib
	import sys

	root = pathlib.Path(".github/workflows")
	bad: list[str] = []
	for path in sorted(root.rglob("*.yml")):
	if b"\t" in path.read_bytes():
	bad.append(str(path))

	for path in sorted(root.rglob("*.yaml")):
	if b"\t" in path.read_bytes():
	bad.append(str(path))

	if bad:
	print("Tabs found in workflow file(s):")
	for path in bad:
	print(f"- {path}")
	sys.exit(1)
	PY

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