nixos/users: set password for root

nixos/users.nix

@@ -45,7 +45,8 @@ let
     };
   };
 in
-(builtins.foldl'
+lib.recursiveUpdate
+  (builtins.foldl'
     (attrs: user: {
       options = lib.recursiveUpdate attrs.options (mkUser user.name attrs.uid (user.options or { }));
       uid = attrs.uid + 1;
@@ -55,4 +56,7 @@ in
       uid = 1000;
     }
     users
-).options
+  ).options
+  {
+    users.users.root.initialPassword = "tuxcord";
+  }