feat(de): add niri

modules/nix-config/de.nix

@@ -1,6 +1,7 @@
 {
   pkgs,
   lib,
+  config,
   currentSystemDe,
   ...
 }:
@@ -10,6 +11,31 @@ let
   };
 in
 {
+  programs.niri.enable = true;
+  services.dbus.packages = [ pkgs.nautilus ];
+  services.dbus.implementation = "broker";
+  services.xserver.desktopManager.runXdgAutostartIfNone = true;
+
+  # For god's sake, never touch this code again, so much pain has been released on the following lines.
+  xdg.portal = {
+    enable = true;
+    xdgOpenUsePortal = true;
+    extraPortals = lib.mkForce [
+      pkgs.xdg-desktop-portal-wlr
+      pkgs.xdg-desktop-portal-gtk
+    ];
+    config = {
+      niri = {
+        default = lib.mkForce [
+          "wlr"
+          "gtk"
+        ];
+        "org.freedesktop.impl.portal.ScreenCast" = [ "wlr" ];
+        "org.freedesktop.impl.portal.Screenshot" = [ "wlr" ];
+      };
+    };
+  };
+
   services = {
     xserver.enable = true;
     xserver.excludePackages = with pkgs; [
@@ -31,8 +57,15 @@ in
       gnome.enable = libDe.ifGnome true;
     };
 
-    gnome.gnome-keyring.enable = libDe.ifGnome true;
+    gnome.gnome-keyring.enable = true;
   };
+  environment.etc."xdg/autostart/niri.desktop".text = ''
+    [Desktop Entry]
+    Name=Niri
+    Exec=${config.programs.niri.package}/bin/niri-session
+    Type=Application
+    X-GDM-SessionRegisters=true
+  '';
   environment.plasma6.excludePackages = with pkgs.kdePackages; [
     elisa
     konsole
@@ -54,11 +87,6 @@ in
     yelp
   ];
 
-  xdg = {
-    autostart.enable = true;
-    portal.enable = true;
-  };
-
   programs.kdeconnect = libDe.ifNotNone {
     enable = true;
     package =