hotwire haku2 into rkgk

really a bodge job right now and it crashes but it's a start

crates/haku2/build.zig

@@ -17,6 +17,7 @@ pub fn build(b: *std.Build) void {
         .root_module = mod,
     });
     lib.pie = true;
+    lib.bundle_compiler_rt = true;
     b.installArtifact(lib);
 
     const mod_wasm = b.createModule(.{