add zsh

flake.nix

@@ -28,7 +28,7 @@
           overlays = [
             (final: prev: {
               custom = {
-                inherit t;
+                t = t.packages.${system}.default;
               };
             })
           ];

programs/zsh/default.nix

@@ -67,6 +67,12 @@ in
           t $@
       }
 
+      function rs() {
+          cd "$(${pkgs.custom.t}/bin/t-rs $@ | tail -n 1)"
+          cargo init . --bin --name $(basename "$PWD")
+          vim .
+      }
+
       # path
       path() {
           export PATH="$1:$PATH"