fixed missing link

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: mooreds

astro/src/content/docs/extend/fine-grained-authorization/index.mdx

@@ -30,7 +30,7 @@ Here are some examples of FGA in action:
 
 * Read about [FusionAuth/Permify integration](/docs/extend/fine-grained-authorization/permify)
 * Learn more about [authorization models](/articles/identity-basics/authorization-models)
-* Run an [example application with fine-grained authorization](TODO github)
+* Run an [example application with fine-grained authorization](https://github.com/FusionAuth/fusionauth-example-fine-grained-authorization)
 * [Review the Permify docs](https://docs.permify.co/)