Add a zig wasm function.

Signed-off-by: jmug <u.g.a.mariano@gmail.com>

flake.nix

@@ -2,6 +2,7 @@
   description = "A dev shell flake for go";
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/de0fe301211c267807afd11b12613f5511ff7433"; # Go 1.24.1
+    nixpkgszig.url = "github:NixOS/nixpkgs/f6db44a8daa59c40ae41ba6e5823ec77fe0d2124"; # Zig 0.14.0
     systems.url = "github:nix-systems/default";
     flake-utils = {
       url = "github:numtide/flake-utils";
@@ -10,11 +11,12 @@
   };
 
   outputs =
-    { nixpkgs, flake-utils, ... }:
+    { nixpkgs, nixpkgszig, flake-utils, ... }:
     flake-utils.lib.eachDefaultSystem (
       system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
+        pkgszig = nixpkgszig.legacyPackages.${system};
       in
       {
         devShells.default = pkgs.mkShell {
@@ -22,6 +24,8 @@
             go
             gotools
             gopls
+            pkgszig.zig
+            pkgszig.zls
           ];
         };
       }