Add dual-domain routing for MinIO S3 API and Console

- S3 API: s3.b28.dev (port 9000)
- Console: objects.b28.dev (port 9001)
- Uses Coolify SERVICE_FQDN_* for multi-domain routing

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -10,11 +10,12 @@ S3-compatible object storage for b28.dev infrastructure.
 
 ## Deployment
 
-**URL**: https://objects.b28.dev
+**Web Console**: https://objects.b28.dev (port 9001)
+**S3 API**: https://s3.b28.dev (port 9000)
 
 **Ports**:
-- 9000: S3 API (programmatic access)
-- 9001: Web Console (admin UI)
+- 9000: S3 API (programmatic access) → s3.b28.dev
+- 9001: Web Console (admin UI) → objects.b28.dev
 
 ## Configuration