Zig Listings

Zig seems to be quite a new programming language, but it has some game dev projects under its wing.

There has been request from the survey to add support to it, it may be an interesting idea.

Look at how other programming languages are listed in the repository's resources. Find the section or file where language listings are maintained. Add Zig with relevant game dev projects or resources, ensuring the format matches existing entries. Verify by checking the repository's structure and any contributing guidelines.

索引モデルが issue の本文から書いたものです。