update system

modules/nixos/shell/swaync.nix

@@ -0,0 +1,65 @@
+{
+  config,
+  lib,
+  username,
+  ...
+}:
+
+let
+  cfg = config.shell.components.swaync;
+in
+{
+  options.shell.components.swaync = {
+    enable = lib.mkEnableOption (lib.mdDoc "Enable a pre-configured notification center");
+  };
+
+  config = lib.mkIf cfg.enable {
+    home-manager.users.${username} = {
+      services.swaync = {
+        enable = true;
+        settings = {
+          positionX = "center";
+          positionY = "top";
+          fit-to-screen = false;
+          control-center-width = 600;
+          control-center-height = 800;
+          control-center-margin-top = 2;
+          control-center-margin-bottom = 2;
+          control-center-margin-right = 1;
+          control-center-margin-left = 0;
+          notification-window-width = 400;
+          notification-icon-size = 48;
+          notification-body-image-height = 160;
+          notification-body-image-width = 200;
+          image-visibility = "when-available";
+        };
+      };
+      programs.waybar.settings.mainBar = {
+        modules-center = lib.mkAfter [
+          "custom/notification"
+        ];
+
+        "custom/notification" = {
+          tooltip = false;
+          format = "{icon}";
+          format-icons = {
+            notification = "󰂚";
+            none = "󰂜";
+            dnd-notification = "󰂠";
+            dnd-none = "󰪓";
+            inhibited-notification = "󰂛";
+            inhibited-none = "󰪑";
+            dnd-inhibited-notification = "󰂛";
+            dnd-inhibited-none = "󰪑";
+          };
+          return-type = "json";
+          exec-if = "which swaync-client";
+          exec = "swaync-client -swb";
+          on-click = "swaync-client -t -sw";
+          on-click-right = "swaync-client -d -sw";
+          escape = true;
+        };
+      };
+    };
+  };
+}