Add godoc comments to exported symbols in remaining packages
Add documentation comments to exported symbols across all remaining
smaller packages including cmd/gen-docs, context, internal/browser,
internal/gh, internal/ghcmd, internal/ghinstance, internal/ghrepo,
internal/keyring, internal/run, internal/safepaths, internal/tableprinter,
internal/text, internal/update, pkg/cmd/accessibility, pkg/cmd/actions,
pkg/cmd/alias, pkg/cmd/api, pkg/cmd/browse, pkg/cmd/cache,
pkg/cmd/completion, pkg/cmd/copilot, pkg/cmd/factory, pkg/cmd/gpg-key,
pkg/cmd/label, pkg/cmd/licenses, pkg/cmd/org, pkg/cmd/preview,
pkg/cmd/ssh-key, pkg/cmd/version, pkg/extensions, pkg/jsoncolor,
pkg/markdown, pkg/option, pkg/set, pkg/ssh, pkg/surveyext, test,
internal/authflow, and utils.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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