chore: update storybook from v7 to v10

• Addons -> plus besoin de peer dependency React (https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#addons-no-longer-need-a-peer-dependency-on-react)
• webpack → vite (https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#dropped-webpack5-builder-support-in-favor-of-vite)
• Fichiers MDX doc: .stories.mdx → .mdx (https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#dropping-support-for-storiesmdx-csf-in-mdx-format-and-mdx1-support)
• Addons custom: structure preset simplifiée
• Imports storybook/manager-api et storybook/internal/components
• suppression de register.js (https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#registerjs-removed)
• ficher .js dans ./storybook en ESM (https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#the-storybookmain-file-and-other-presets-must-be-valid-esm)

To check

• Explain what has changed in the changelog