High performance Zig build.zig.zon parser

This uses no regex, just uses loops.

How to use?

• You can pass the -DBZZ_DONT_LOG flag to not print any errors just return them if any.

Performance:

➜  build_zig_zon_parser git:(main) ✗ hyperfine ./a.out --warmup 5 -N
Benchmark 1: ./a.out
  Time (mean ± σ):       2.1 ms ±   0.4 ms    [User: 0.8 ms, System: 0.7 ms]
  Range (min … max):     1.9 ms …  16.9 ms    1479 runs

on M2 Air Mac OS