ADD synchting service

modules/syncthing.nix

@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+services = {
+  syncthing = {
+    enable = true;
+    user = "alexandre";
+    dataDir =
+      "/home/alexandre/Documents"; # Default folder for new synced folders
+    configDir =
+      "/home/alexandre/.config/syncthing"; # Folder for Syncthing's settings and keys
+  };
+};
+}