Update README.mdx

Author: josh-wong

i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/current/scalar-licensing/README.mdx

@@ -7,6 +7,8 @@ tags:
 # 製品ライセンスキーの設定方法
 
 import TranslationBanner from '/src/components/_translation-ja-jp.mdx';
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
 
 <TranslationBanner />