Update README.md

Author: magefan

README.md

@@ -128,6 +128,8 @@ The code is licensed under [Open Software License ("OSL") v. 3.0](http://opensou
 
   ### [Magento 2 Admin Panel Extensions](https://magefan.com/magento-2-extensions/admin-extensions)
 
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+  * [Magento 2 Size Chart Extension](https://magefan.com/magento-2-size-chart)
   * [Magento 2 Security Extension](https://magefan.com/magento-2-security-extension)
   * [Magento 2 Admin Action Log](https://magefan.com/magento-2-admin-action-log)
   * [Magento 2 Order Editor](https://magefan.com/magento-2-edit-order-extension)