Update npm additional resources section

javascript/organizing_your_javascript_code/npm.md

@@ -70,4 +70,4 @@ The following questions are an opportunity to reflect on key topics in this less
 
 This section contains helpful links to related content. It isn't required, so consider it supplemental.
 
-- It looks like this lesson doesn't have any additional resources yet. Help us expand this section by contributing to our curriculum.
+- Explore the [`package.json` documentation](https://docs.npmjs.com/cli/v10/configuring-npm/package-json) further to discover its additional features and functionalities.