Fuzzing

[mattyhall]

To ensure that we do not have any nasty bugs we should test our parser with randomly generated input/output using fuzzing. I've never done this with Zig before but it looks like it's possible:

• https://gsquire.github.io/static/post/start-fuzzing-with-zig/
• https://www.ryanliptak.com/blog/fuzzing-zig-code/