Adding "baffling-birthdays" to the C++ track

[marcelweikum]

Hey,

I am now working on baffling-birthdays for the C++ track.

Kind regards,
Marcel

[github-actions]

Hello. Thanks for opening an issue on Exercism 🙂

At Exercism we use our Community Forum, not GitHub issues, as the primary place for discussion. That allows maintainers and contributors from across Exercism's ecosystem to discuss your problems/ideas/suggestions without them having to subscribe to hundreds of repositories.

This issue will be automatically closed. Please use this link to copy your GitHub Issue into a new topic on the forum, where we look forward to chatting with you!

If you're interested in learning more about this auto-responder, please read this blog post.