chore: Fix basic example in the README (#1370)

maroKanatani · web-flow · commit b2a00e1b4fde · 2023-07-26T18:01:50.000+02:00
diff --git a/README.md b/README.md
@@ -25,7 +25,7 @@ Here is a basic example that renders a primary button:
 import Button from '@cloudscape-design/components/button';
 import '@cloudscape-design/global-styles/index.css';
 
-function App {
+function App() {
   return <Button variant="primary">Click me</Button>;
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -25,7 +25,7 @@ Here is a basic example that renders a primary button:`
`25`	`25`	`import Button from '@cloudscape-design/components/button';`
`26`	`26`	`import '@cloudscape-design/global-styles/index.css';`
`27`	`27`
`28`		`-function App {`
	`28`	`+function App() {`
`29`	`29`	`return <Button variant="primary">Click me</Button>;`
`30`	`30`	`}`
`31`	`31`	```