flakes: Migrate the config and miku to flakes

modules/programs/swaync/default.nix

@@ -1,8 +1,16 @@
-{ config, ... }:
+{ lib, config, ... }:
 
-{
-  home-manager.users."${config.system.singleUser}".xdg.configFile = {
-    "swaync/config.json".source = ./config.json;
-    "swaync/style.css".source = ./style.css;
+let
+  cfg = config.ptw.services.swaync;
+in {
+  options.ptw.services.swaync = {
+    enable = lib.mkEnableOption "Configure swaync using HomeManager";
+  };
+
+  config = lib.mkIf cfg.enable {
+    home-manager.users."${config.ptw.system.singleUser}".xdg.configFile = {
+      "swaync/config.json".source = ./config.json;
+      "swaync/style.css".source = ./style.css;
+    };
   };
 }