Update README

README.md

@@ -39,9 +39,17 @@ public function registerBundles()
 
 ```yml
 imports:
+    - { resource: "bundles/ik/validators-bundle/parameters.yml" }
     - { resource: "@ValidatorsBundle/Resources/config/services.yml" }
 ```
 
+**app/config/bundles/ik/validators-bundle/parameters.yml**
+
+```yml
+parameters:
+    device_check_url: 'http://127.0.0.1/base/app_dev.php/api/devices/check.json'
+```
+
 ## Validators