feat: niri, new winters ip, mail fixes

modules/nixos/client/niri.nix

@@ -0,0 +1,25 @@
+{ lib, config, pkgs, ... }:
+let
+  moduleName = "niri";
+in
+{
+  options.swarselmodules.${moduleName} = lib.mkEnableOption "${moduleName} settings";
+  config = lib.mkIf config.swarselmodules.${moduleName} {
+
+    environment.systemPackages = with pkgs; [
+      wl-clipboard
+      wayland-utils
+      libsecret
+      cage
+      gamescope
+      xwayland-satellite-unstable
+    ];
+
+    niri-flake.cache.enable = true;
+
+    programs.niri = {
+      enable = true;
+      package = pkgs.niri-unstable; # the actual niri that will be installed and used
+    };
+  };
+}