message: docs: add into README.md
diff: @@ -8,8 +8,9 @@ This repository is a monorepo for Kintone development tools!
  ## packages
  | Name | Description | Links |
  -| ---------------------------------------------------- | :--------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: |
  +| ---------------------------------------------------------- | :-----------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------------: |
  | [@kintone/rest-api-client](packages/rest-api-client) | An API client for Kintone REST API | [![npm version](https://badge.fury.io/js/%40kintone%2Frest-api-client.svg)](https://badge.fury.io/js/%40kintone%2Frest-api-client) |
  +| [@kintone/customize-uploader](packages/customize-uploader) | An uploader for Kintone customization | [![npm version](https://badge.fury.io/js/%40kintone%2Fcustomize-uploader.svg)](https://badge.fury.io/js/%40kintone%2Fcustomize-uploader) |
  ## Contribution Guide
  