feat(API-1944): Implement Next steps block component in "How to retrieve PIM structure" guide

Author: LevFlavien

content/tutorials/guides/how-to-retrieve-pim-structure.md

@@ -203,3 +203,16 @@ storeCurrencies(channel.currencies);
 storeLocales(channel.locales);
 storeCategoryTree(channel.category_tree);
 ```
+
+<div class="block-next-steps block-next-steps-alt">
+    <img src="/img/illustrations/illus--Attribute.svg" width="140px">
+    <div class="block-next-steps-column">
+        <div class="block-next-steps-title">Next Step</div>
+        <div class="block-next-steps-text">Well done! Keep digging into the “App workflow” and follow the next tutorial!</div>
+        <div>
+            <ul>
+                <li><a href="/tutorials/how-to-get-families-and-attributes.html">How to get families and attributes</a></li>
+            </ul>
+        </div>
+    </div>
+</div>