Remove CRA template (#1213)

* Remove @sumup/cra

* Add changeset

.changeset/hungry-parrots-appear.md

@@ -0,0 +1,5 @@
+---
+'@sumup/circuit-ui': patch
+---
+
+Removed the Circuit CRA template. Use the [CNA template](https://github.com/sumup-oss/circuit-ui/tree/main/packages/create-sumup-next-app) instead.

.storybook/preview.js

@@ -50,7 +50,6 @@ const SORT_ORDER = {
     'design-tokens': {},
     'icons': {},
     'create-sumup-next-app': {},
-    'create-sumup-react-app': {},
   },
 };
 

README.md

@@ -23,7 +23,6 @@ Here are a few helpful links for getting started with Circuit UI:
 - **[@sumup/design-tokens](./packages/design-tokens)** — visual primitives such as typography, color, and spacing
 - **[@sumup/icons](./packages/icons)** — a collection of SVG icons
 - **[create-sumup-next-app](./packages/create-sumup-next-app)** — bootstrap a fresh [Next.js](https://nextjs.org/) app with Circuit UI and [Foundry](https://github.com/sumup-oss/foundry)
-- **[create-sumup-react-app](./packages/create-sumup-react-app)** — bootstrap a new React app with [create-react-app](https://create-react-app.dev/), Circuit UI, and [Foundry](https://github.com/sumup-oss/foundry)
 
 ## Code of conduct
 

docs/introduction/getting-started.stories.mdx

@@ -10,10 +10,9 @@ import { Meta, Status, Intro, Link } from '../../.storybook/components';
 
 ## Creating a new app with Circuit UI
 
-Starting fresh? The quickest way to bootstrap a new project with Circuit UI is using one of our starter templates:
+Starting fresh? The best way to bootstrap a new project with Circuit UI is to use our [`create-sumup-next-app`](https://github.com/sumup-oss/circuit-ui/tree/main/packages/create-sumup-next-app) template.
 
-- **[create-sumup-next-app](https://github.com/sumup-oss/circuit-ui/tree/main/packages/create-sumup-next-app)** — bootstrap a fresh [Next.js](https://nextjs.org/) app with Circuit UI and SumUp's [Foundry](https://github.com/sumup-oss/foundry) frontend toolkit
-- **[create-sumup-react-app](https://github.com/sumup-oss/circuit-ui/tree/main/packages/create-sumup-react-app)** — bootstrap a new React app with [create-react-app](https://create-react-app.dev/), Circuit UI, and SumUp's [Foundry](https://github.com/sumup-oss/foundry) frontend toolkit
+It will get generate a new [Next.js](https://nextjs.org/) app with Circuit UI and SumUp's [Foundry](https://github.com/sumup-oss/foundry) frontend toolkit, and get you started in minutes!
 
 ## Adding Circuit UI to an existing app