feat(scripts): add Italian CEFR data pipeline

- Add extractors for Italian sources: it_m3.xls and italian.json
- Add comparison script (compare-italian.py) to report source overlaps and conflicts
- Add merge script (merge-italian-json.py) with priority order ['italian', 'it_m3']
- Output authoritative dataset to datafiles/italian-merged.json
- Update README to document both English and Italian pipelines
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lila 2026-04-08 18:32:03 +02:00
parent 59152950d6
commit 3374bd8b20
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