Add game: Cubzh

[soliton-x]

Here you can find Cubzh: Cubzh Github

Cubzh is an open-source game engine written in C, C++, Lua that allows anyone to rapidly script games and host them for free on the platform

[Trilarion]

Thank you for the suggestion. I would like to try out Cubzh and see some games for myself. It might be that Cubzh is a bit outside of the scope of this list which focuses more on single games and less on game engines and even less on whole platforms. I will come back here.