bark-server: add updateScript

pkgs/by-name/ba/bark-server/package.nix

@@ -3,6 +3,7 @@
   buildGoModule,
   fetchFromGitHub,
   versionCheckHook,
+  nix-update-script,
 }:
 
 buildGoModule (finalAttrs: {
@@ -50,6 +51,8 @@ buildGoModule (finalAttrs: {
     versionCheckHook
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Backend of Bark, an iOS App which allows you to push customed notifications to your iPhone";
     homepage = "https://github.com/Finb/bark-server";