docs: add GenoLeWM blog explainer #264

Job	Run time
Eval smoke (fixture-backed)	22s
Tests (Python 3.12 on macos-latest)	55s
Tests (Python 3.13 on ubuntu-latest)	1m 15s
Build (sdist + wheel)	17s
Contract gates (errors / events / surface / net / print / spdx)	27s
Tests (Python 3.12 on ubuntu-latest)	3m 12s
ML smoke (fixture-backed)	21s
Tests (Python 3.11 on ubuntu-latest)	1m 5s
Lint (ruff)	22s
Types (mypy --strict)	25s
Docs (mkdocs --strict)	37s
Tests (Python 3.12 on windows-latest)	2m 40s
Tests (Python 3.10 on ubuntu-latest)	1m 12s
CI required	3s
	13m 13s

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