try and failed at i3 again

flakes/common/nix_modules/de_i3.nix

@@ -0,0 +1,50 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  services.xserver = {
+    enable = true;
+    # displayManager.startx.enable = true;
+    windowManager.i3 = {
+      enable = true;
+      # package = pkgs.i3;
+      extraPackages = with pkgs; [
+        dmenu
+        i3status
+        i3lock
+      ];
+    };
+    desktopManager = {
+      xterm.enable = true;
+      xfce = {
+        enable = true;
+        noDesktop = true;
+        enableXfwm = false;
+      };
+    };
+    displayManager = {
+      # lightdm.enable = true;
+      defaultSession = "xfce+i3";
+    };
+  };
+
+  services.greetd = {
+    enable = true;
+    vt = 2;
+    settings = {
+      default_session = {
+        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --remember --remember-session --cmd '${pkgs.dbus}/bin/dbus-run-session ${pkgs.xorg.xinit}/bin/startx ${pkgs.xfce.xfce4-session}/bin/startxfce4 -- ${pkgs.xorg.xorgserver}/bin/X -keeptty -quiet vt${toString config.services.greetd.vt}'";
+        user = "greeter";
+      };
+    };
+  };
+
+  xdg.portal = {
+    enable = true;
+    extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
+    config.common.default = [ "gtk" ];
+  };
+}