feat: configure sway

nixos/gorgon/configuration.nix

@@ -125,9 +125,13 @@ in
   };
 
   environment.systemPackages = with pkgs; [
-    chromium
     ghostscript
     smartmontools
+
+    grim # screenshot functionality
+    slurp # screenshot functionality
+    mako # notification system developed by swaywm maintainer
+    pulseaudio
   ];
 
   networking.firewall = {
@@ -208,9 +212,36 @@ in
   services.gnome.gnome-keyring.enable = lib.mkForce false;
   programs.gnupg.agent.enable = true;
 
-  services.xserver.enable = true;
-  services.xserver.desktopManager.gnome.enable = true;
-  services.xserver.displayManager.gdm.enable = true;
+  #services.xserver.enable = true;
+  #services.xserver.desktopManager.gnome.enable = true;
+  #services.xserver.displayManager.gdm.enable = true;
+  services.greetd = {
+    enable = true;
+    settings = {
+      default_session = {
+        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd sway";
+        user = "greeter";
+      };
+    };
+  };
+  systemd.user.services.kanshi = {
+    description = "kanshi daemon";
+    environment = {
+      WAYLAND_DISPLAY = "wayland-1";
+      DISPLAY = ":0";
+    };
+    serviceConfig = {
+      Type = "simple";
+      ExecStart = ''${pkgs.kanshi}/bin/kanshi'';
+    };
+  };
+  # enable Sway window manager
+  programs.sway = {
+    enable = true;
+    wrapperFeatures.gtk = true;
+  };
+  programs.light.enable = true;
+  xdg.portal.wlr.enable = true;
 
   hardware.opengl = {
     enable = true;