Add description VO-DML tools#80

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pahjbo wants to merge 2 commits into20-update-vo-dml-standard-documentfrom

Commits on Jul 3, 2025

brief initial description VO-DML tools
pahjbo
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Commits on Oct 23, 2025

note that VO-DML tools do define a consistent set of model serializations.
pahjbo
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