Update latest.json with custom release notes for 7.1

docs/versions/latest.json

@@ -1 +1,6 @@
-{"version":"7.1.0","info":{"plain":"- Svelte-vite: Improve error when sveltekit plugins found in non-sveltekit projects - [#23472](https://github.com/storybookjs/storybook/pull/23472), thanks [@yannbf](https://github.com/yannbf)!\n- Svelte-vite: Remove unused import - [#23475](https://github.com/storybookjs/storybook/pull/23475), thanks [@yannbf](https://github.com/yannbf)!"}}
+{
+  "version": "7.1.0",
+  "info": {
+    "plain": "Storybook 7.1 is here! 🎉\n\n- 🏄‍♀️ [**In-app onboarding**](https://storybook.js.org/blog/in-app-tour-for-new-users/) to help you set up new projects\n- 💅 [**Zero-config styling support**](https://storybook.js.org/blog/zero-config-support-for-tailwind-mui-styled-components-and-emotion/) for major libraries\n- 🗃️ [**API reference documentation**](https://storybook.js.org/blog/docs-updates/) and TypeScript-first snippets\n- 📇 [**Table of Contents for docs**](https://storybook.js.org/docs/7.1/react/writing-docs/autodocs#generate-a-table-of-contents)\n- 🎨 [**Figma** **Design addon**](https://github.com/storybookjs/addon-designs) official support\n- 📗 **Vue3 source snippets** and reactivity improvements\n- 💯 **Hundreds more** fixes and improvements\n\n7.1 contains hundreds more fixes, features, and tweaks. Browse the changelogs matching `7.1.0-alpha.*`, `7.1.0-beta.*`, and `7.1.0-rc.*` for the full list of changes.\n\nFor a better upgrade experience, please use one of the following commands:\n\nnpm or yarn 1:\n`npx storybook@latest upgrade`\n\npnpm:\n`pnpm dlx storybook@latest upgrade`\n\nyarn berry:\n`yarn dlx storybook@latest upgrade`"
+  }
+}