docs: fix links to admin (#577)

Author: alexislefebvre

README.md

@@ -46,7 +46,7 @@ This demo application contains several things you may be interested:
 | [Creating Async APIs using the Mercure Protocol](https://api-platform.com/docs/core/mercure/)                                                                                                         | [Search usage](https://github.com/search?q=repo%3Aapi-platform%2Fdemo+path%3Aapi%2Fsrc%2FEntity+%22mercure%3A%22&type=code)                                                           |
 | [Advanced Authentication and Authorization Rules](https://api-platform.com/docs/core/security/)                                                                                                       | [Search usage](https://github.com/search?q=repo%3Aapi-platform%2Fdemo+path%3Aapi%2Fsrc%2FEntity+%22security%3A%22+OR+%22securityPostDenormalize%3A%22&type=code)                      |
 | [API Testing](https://api-platform.com/docs/core/testing/)                                                                                                                                            | [Search usage](api/tests)                                                                                                                                                             |
-| [The Admin](https://api-platform.com/docs/distribution/#the-admin)                                                                                                                                    | [Search usage](pwa/pages/admin)                                                                                                                                                       |
+| [The Admin](https://api-platform.com/docs/distribution/#the-admin)                                                                                                                                    | [Search usage](pwa/components/admin)                                                                                                                                                  |
 | [A Next.js Web App](https://api-platform.com/docs/distribution/#a-nextjs-web-app)                                                                                                                     | [Search usage](pwa)                                                                                                                                                                   |
 | [Deploying to a Kubernetes Cluster](https://api-platform.com/docs/deployment/kubernetes)                                                                                                              | [Search usage](helm/api-platform)                                                                                                                                                     |