nix-config/hosts/desktop/i3/default.nix

{ pkgs, ... }:

{
  xsession.windowManager.i3.config = {
    workspaceOutputAssign = [
      {
        output = "HDMI-0";
        workspace = "1";
      }
      {
        output = "DVI-D-0";
        workspace = "2";
      }
    ];
  };
}