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Alenka Frim authored and Nic Crane committed 7e012736611
ARROW-15337: [Doc] New contributors guide updates Adding last corrections to the New Contributors Guide before the new release. Closes #12167 from AlenkaF/ARROW-15337 Authored-by: Alenka Frim <frim.alenka@gmail.com> Signed-off-by: Nic Crane <thisisnic@gmail.com>