[$] Zig heading toward a self-hosting compiler

The Zig programming language is arelatively recent entrant into the "systems programming" realm; it looksto interoperate with C, while adding safety features without sacrificingperformance. The language has been gaining some attention of late and hasannouncedprogress toward a Zig compiler written in Zig in September. Thatchange will allow LLVM to become an optional component, which will be a big step forward for the"maturity and stability" of Zig.