Squashed 'src/main/resources/csl-locales/' changes from 2b94bf9fac..d0ee4d13c9
Squashed 'src/main/resources/csl-locales/' changes from 2b94bf9fac..d0ee4d13c9

d0ee4d13c9 Update CONTRIBUTING.md

git-subtree-dir: src/main/resources/csl-locales
git-subtree-split: d0ee4d13c942648c2c88629aeb01f03a17fac72c

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