Add Daniel user group

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

configuration.nix

@@ -66,8 +66,10 @@ in
     networking.firewall.allowPing = true;
     networking.firewall.allowedTCPPorts = [ 22 80 443 ];
 
+    users.groups.daniel = {};
     users.users.daniel = {
       isNormalUser = true;
+      group = "daniel";
       extraGroups = [ "wheel" ];
     };
     security.sudo.wheelNeedsPassword = false;