docs(api-server): update database seeding guide link

- Replace outdated URL with the correct link to the data seeding and fixtures guide
- Ensure users can access the correct information on how the API server handles database seeding

Author: fulleni

src/content/docs/api-server/local-setup.mdx

@@ -61,5 +61,5 @@ This guide will walk you through setting up the API server in a local developmen
 
     On its first startup, the server automatically connects to your MongoDB database and seeds it with initial data (countries, topics, users, etc.). This process is idempotent, meaning you can safely restart the server multiple times without creating duplicate data.
 
-    For more details on how this works, see the [Understand Database Seeding](/docs/api-server/guides/understand-database-seeding) guide.
+    For more details on how this works, see the [Understand Database Seeding](/docs/api-server/architecture/data-seeding-and-fixtures) guide.
 </Steps>