chore: import upstream snapshot with attribution

This commit is contained in:
wehub-resource-sync
2026-07-13 13:25:10 +08:00
commit c397331b1e
3684 changed files with 990993 additions and 0 deletions
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[submodule "doc"]
path = doc
url = https://github.com/gflags/gflags.git
branch = gh-pages