chore: Adding info about relayer files

Author: NicoMolinaOZ

content/defender/migration.mdx

@@ -102,6 +102,15 @@ The "OpenZeppelin Relayer Configurations" button will download a .zip file conta
 - Network-specific policies
 - Webhook URLs for notifications
 
+### Configuration File Structure
+
+After downloading your relayer configurations, you'll need to organize them in your OpenZeppelin Relayer project:
+
+- **`config.json`**: Place this file in the `config/` directory
+- **Network files**: Place these files in the `config/networks/` directory
+
+This structure ensures OpenZeppelin Relayer can properly locate and load your relayer configurations.
+
 2. **Set up OpenZeppelin Relayer**: Follow the [installation guide](/relayer) to deploy the Relayer on your infrastructure
 3. **Import your configurations**: Use the exported configurations to recreate your relayers in OpenZeppelin Relayer