Update README.md

Author: magefan

README.md

@@ -140,3 +140,6 @@ The code is licensed under [EULA](https://magefan.com/end-user-license-agreement
 
   ### Shopware Extensions
   * [Shopware WebP Extension](https://magefan.com/shopware/extensions/webp)
+   
+  ### Shopify Apps
+  * [Shopify Login As Customer](https://apps.shopify.com/login-as-customer)