docs: add link to devnet cli-kintone tutorials

website/docs/guide/index.mdx

@@ -4,6 +4,12 @@ sidebar_position: 100
 
 # Getting Started
 
+:::info
+There are better tutorials for Japanese speakers.
+
+- [はじめようcli-kintone - cybozu developer network](https://cybozu.dev/ja/tutorials/hello-cli-kintone/)
+:::
+
 ## What is cli-kintone?
 
 cli-kintone (Pronounced `/ˈkuː.ri ˈkiːn.toʊn/`, named after the Japanese sweet [Kurikinton](https://visitgifu.com/see-do/kurikinton/)) is the CLI tool for importing and exporting [Kintone](https://www.kintone.com/en-us/) records. It is suitable for batch record operations.