addPublisherLike method
Implementation
Future<shelf.Response> addPublisherLike(
shelf.Request req, String package) async {
package = Uri.decodeComponent(package);
final user = await _requireCurrentUser(req);
final updated = await userStore!.addLike(
email: user.email,
packageName: package,
);
return _ok({'likes': updated.likedPackages});
}