Commits

Antoine Pitrou authored 196faced744
ARROW-6630: [Doc] Document C++ file formats Closes #5500 from pitrou/ARROW-6630-file-format-docs and squashes the following commits: aa5c57dc2 <Antoine Pitrou> ARROW-6630: Document C++ file formats Authored-by: Antoine Pitrou <antoine@python.org> Signed-off-by: Antoine Pitrou <antoine@python.org>