Fix running bin through npx

CONTRIBUTING.md

@@ -19,3 +19,9 @@ npm run test
 ```shell
 npm run lint
 ```
+
+### Building
+
+```shell
+npm run build
+```

README.md

@@ -79,18 +79,18 @@ const items = convertDescriptionToItems(description, { parseToDOM });
 console.log(JSON.stringify(items));
 ```
 
+> [!CAUTION]
+> Any option to `convertDescriptionToItems` that is not mentioned in the documentation is subject to change. If you
+> need anything more than the listed options, ask a question by opening an issue or contribute by creating a pull
+> request.
+
 ### CLI
 
 ```shell
-$ echo "<p>Hello World</p>" | convert-description
+$ echo "<p>Hello World</p>" | npx @allegro/convert-description
 [{"type":"TEXT","content":"<p>Hello World</p>"}]
 ```
 
-> [!CAUTION]
-> Any option to `convertDescriptionToItems` that is not mentioned in the documentation is subject to change. If you
-> need anything more than the listed options, ask a question by opening an issue or contribute by creating a pull
-> request.
-
 [Allegro Rest API]: https://developer.allegro.pl/tutorials/list-offer-assigned-product-one-request-D7Kj9M71Bu6
 [DOM API]: https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model
 [jsdom]: https://github.com/jsdom/jsdom

bin/index.js

@@ -16,6 +16,7 @@ const convertDescription = (inputStream, outputStream) => {
     outputStream.write(
       JSON.stringify(convertDescriptionToItems(inputData, { parseToDOM })),
     );
+    outputStream.write("\n");
   });
 };