[NEW PORT] games/solver Math quiz game

From: <modex_at_danwin1210.de>
Date: Wed, 20 Apr 2022 13:33:30 UTC
Hello,

I submitted a new port. It has almost been a couple weeks. I was hoping I
could get someone to take a look at it and get it committed to the tree.
Currently, the port is still in new status:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263159