migrated wireguard and syncthing

flake.nix

@@ -265,6 +265,7 @@
           chungus = { name, nodes, pkgs, ... }: {
             deployment.targetHost = "${name}.private";
             deployment.tags = [ "server" "online" "private" ];
+            deployment.buildOnTarget = false;
             imports = [
               grocy-scanner.nixosModule
             ];