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[Jov]

Hi Hackers,

I made a new port named /deve/bear, which is a tool that generates a
compilation database for clang tooling. It is useful for
clang-tidy/clang-check with non-cmake project.

PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220475

WWW: https://github.com/rizsotto/Bear

QA:
portlint -AC
looks fine.
poudriere testport passed on 11.0R-amd64

Thanks versy much!