docs: add a link to the demo auth provider (#1226)

alanpoulain · web-flow · commit 2a740660fad0 · 2020-12-01T20:49:17.000+01:00
diff --git a/admin/authentication-support.md b/admin/authentication-support.md
@@ -69,3 +69,5 @@ export default () => (
     />
 );
 ```
+
+For the implementation of the auth provider, you can find a working example in the [API Platform's demo application](https://github.com/api-platform/demo/blob/master/admin/src/authProvider.js).

-Original file line number
+Diff line change
     />
 );
 ```
++
 +For the implementation of the auth provider, you can find a working example in the [API Platform's demo application](https://github.com/api-platform/demo/blob/master/admin/src/authProvider.js).