ajout de storybook

.storybook/main.js

.storybook/preview.js

package.json

src/stories/.eslintrc.json

src/stories/Button.jsx

src/stories/Button.stories.jsx

src/stories/Configure.mdx

src/stories/Header.jsx

src/stories/Header.stories.jsx

src/stories/Page.jsx

src/stories/Page.stories.jsx

src/stories/assets/accessibility.png

src/stories/assets/accessibility.svg

src/stories/assets/addon-library.png

src/stories/assets/assets.png

src/stories/assets/avif-test-image.avif

src/stories/assets/context.png

src/stories/assets/discord.svg

src/stories/assets/docs.png

src/stories/assets/figma-plugin.png