futile attempt at adding a group

users.nix

@@ -13,6 +13,10 @@ in
     "d /server/project 0770 root project"
   ];
 
+  users.groups = {
+    project = {};
+  };
+
   users.users = 
   let
     user =
@@ -33,6 +37,7 @@ in
     c = user { name = "c"; passwd = "1234"; };
   };
 
+
   home-manager.users = 
   let
     user = name: {