chore(docs): Add children to styled-components doc (#27011)

Co-authored-by: Lennart <[email protected]>

Author: manavm1990

docs/docs/styled-components.md

@@ -133,6 +133,7 @@ export default function Layout({ children }) {
   return (
     <React.Fragment>
       <GlobalStyle theme="purple" />
+      {children}
     </React.Fragment>
   )
 }