Update homepage

Author: garronej

stories/intro.stories.mdx

@@ -18,6 +18,6 @@ import { useDarkMode } from "storybook-dark-mode";
     <img src="repo-card.png" />  
     🇫🇷 <i><a href="https://www.systeme-de-design.gouv.fr/">French State Design System</a> React integration</i> 🇫🇷 
 
-This website is a playground to test the React components of [@codegouvfr/react-dsfr](https://github.com/codegouvfr/react-dsfr).  
-If you're just getting started heads over to the [documentation website](https://react-dsfr.etalab.studio/).
+This website documents the React components featured by [@codegouvfr/react-dsfr](https://github.com/codegouvfr/react-dsfr).  
+🏁 If you're just getting started heads over to the 👉[documentation website](https://react-dsfr.etalab.studio/)👈.
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