Create data-citation-to-JATS-mapping-v1.md
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Update data-citation-to-JATS-mapping-v1.md

a bit more formatting.
Update data-citation-to-JATS-mapping-v1.md
Update data-citation-to-JATS-mapping-v1.md
Update data-citation-to-JATS-mapping-v1.md
Update data-citation-to-JATS-mapping-v1.md
Merge pull request #1 from data-citation-working-group/master

adding hats citation mapping