change user shell to zsh

configuration.nix

@@ -67,16 +67,17 @@
   # services.xserver.libinput.enable = true;
 
   # Define a user account. Don't forget to set a password with ‘passwd’.
+  programs.zsh.enable = true;
   users.users.mir = {
     isNormalUser = true;
     description = "Miranda Marquez";
     extraGroups = [ "networkmanager" "wheel" "input" "audio" ];
+    shell = pkgs.zsh;
     packages = with pkgs; [
       # firefox
       # home-manager
       # thunderbird
       git
-      zsh
       gparted
       ntfs3g
     ];