fix

hosts/nixos/configuration.nix

@@ -94,6 +94,7 @@
     extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
   };
 
+  nixpkgs.config = { allowUnfree = true; };
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave