feat: document controller event (#1639)

guides/plugins/plugins/framework/event/finding-events.md

@@ -213,6 +213,7 @@ Therefore, we have added fine-grained route events that are thrown for every rou
 | `{route}.response` | Global | `Symfony\Component\HttpKernel\Event\ResponseEvent` | Route specific alias for symfony's `kernel.response` event. For storefront routes this contains the already rendered template, for store-api routes this contains the already encoded JSON |
 | `{route}.render` | Storefront | `Shopware\Storefront\Event\StorefrontRenderEvent` | Thrown before twig rendering in the storefront. |
 | `{route}.encode` | Store-API | `Symfony\Component\HttpKernel\Event\ResponseEvent` | Thrown before encoding the API response to JSON, allowing easy manipulation of the returned data. **Note:** This was only introduced in 6.6.11.0 |
+| `{route}.controller` | Global | `\Symfony\Component\HttpKernel\Event\ControllerEvent` | Route specific alias for symfony's `kernel.controller` event. **Note:** This was only introduced in 6.6.11.0 |
 
 To subscribe to a specific event, replace the `{route}` placeholder with the [actual symfony route name](https://symfony.com/doc/current/routing.html), e.g. `store-api.product.listing`.