[home] Refactor into roles

home/roles/sync/default.nix

@@ -0,0 +1,22 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.home.roles.sync;
+in
+{
+  options.home.roles.sync = {
+    enable = mkEnableOption "Enable file synchronization services";
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = with pkgs; [
+      syncthingtray
+    ];
+
+    services.syncthing = {
+      enable = true;
+    };
+  };
+}