Update README.md

Author: magefan

README.md

@@ -105,6 +105,7 @@ The code is licensed under [Open Software License ("OSL") v. 3.0](http://opensou
   * [Magento 2 Automatic Related Products Plus](https://magefan.com/magento-2-automatic-related-products/pricing)
   * [Magento 2 Edit Order Extension](https://magefan.com/magento-2-edit-order-extension)
   * [Magento 2 Better Order Grid Extension](https://magefan.com/magento-2-better-order-grid-extension)
+  * [Magento 2 Product Tabs Extension](https://magefan.com/magento-2/extensions/product-tabs)
   * [Magento 2 Extended Product Grid](https://magefan.com/magento-2-product-grid-inline-editor)
   * [Magento 2 Google Shopping Feed](https://magefan.com/magento-2-google-shopping-feed-extension)
   * [Magento 2 Admin View Extension](https://magefan.com/magento-2-admin-view-extension)