Yuhei Yasuda

### Describe the bug In my project, I are using two different configurations of Storybook. One configuration uses the `[name].stories.tsx` file, while the other uses `[name].test.stories.tsx`. I encountered an issue...

include eslint@9 in peerDependencies

5

v6.9.0 supports Flat Config, but an error occurs during installation because peerDependencies does not include eslint@9. This PR adds "^9" to peerDependencies.

introduce biome

1

https://biomejs.dev/

- ``の記述位置の変更 - https://github.com/withastro/astro/pull/11791 - https://5-0-0-beta.docs.astro.build/en/guides/upgrade-to/v5/#script-tags-are-rendered-directly-as-declared - TypeScript configuration - https://5-0-0-beta.docs.astro.build/en/guides/upgrade-to/v5/#changed-typescript-configuration

- https://github.com/epicweb-dev/epic-stack/blob/main/docs/decisions/031-imports.md - https://docs.astro.build/en/guides/imports/#aliases

https://knip.dev/