use sway for now since hyprland crashes with kvm switch

common/desktop_environment/cosmic/default.nix

@@ -0,0 +1,57 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  ccfg = import ../../config.nix;
+  cfg_path = [ ccfg.custom_config_key "desktopEnvironment" "cosmic" ];
+  cfg = lib.attrsets.getAttrFromPath cfg_path config;
+in
+with lib;
+{
+  options = {}
+    // lib.attrsets.setAttrByPath cfg_path {
+      enable = lib.mkEnableOption "COSMIC desktop environment (System76)";
+      terminalCommand = mkOption {
+        type = lib.types.str;
+        default = "foot";
+        description = "The terminal command to use.";
+      };
+    };
+
+  config = lib.mkIf cfg.enable {
+    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.cosmic}/bin/cosmic-session'";
+      #   user = "greeter";
+      # };
+    };
+
+    # Caps Lock as Escape for console/tty
+    console.useXkbConfig = true;
+    services.xserver.xkb = {
+      layout = "us";
+      options = "caps:escape";
+    };
+
+    environment.systemPackages = with pkgs; [
+      wl-clipboard
+      wofi
+      btop
+    ];
+
+    xdg.portal.enable = true;
+
+    environment.sessionVariables = {
+      NIXOS_OZONE_WL = "1";
+      GTK_THEME = "Adwaita:dark";
+    };
+
+    qt = { enable = true; platformTheme = "gtk2"; style = "adwaita-dark"; };
+    hardware.graphics.enable = true;
+  };
+}