Update doc

docs/cookbook/recipe_overwrite_admin_configuration.rst

@@ -5,36 +5,47 @@ Sometimes you might want to overwrite some Admin settings from vendors.
 This recipe will explain how to achieve this operation. However, keep
 in mind this operation is quite dangerous and might break code.
 
-From the configuration file, you can add a new section named ``admin_services``
+From the configuration file, you can add a new section named ``default_admin_services``
 with the following templates:
 
 .. code-block:: yaml
 
     sonata_admin:
-        admin_services:
+        default_admin_services:
             # service configuration
             model_manager:              sonata.admin.manager.orm
             data_source:                sonata.admin.data_source.orm
+            field_description_factory:  sonata.admin.field_description_factory.orm
             form_contractor:            sonata.admin.builder.orm_form
             show_builder:               sonata.admin.builder.orm_show
             list_builder:               sonata.admin.builder.orm_list
             datagrid_builder:           sonata.admin.builder.orm_datagrid
             translator:                 translator
             configuration_pool:         sonata.admin.pool
             route_generator:            sonata.admin.route.default_generator
-            validator:                  validator
             security_handler:           sonata.admin.security.handler
             menu_factory:               knp_menu.factory
             route_builder:              sonata.admin.route.path_info
             label_translator_strategy:  sonata.admin.label.strategy.native
+            pager_type:                 default
 
-            # templates configuration
-            templates:
-                # view templates
-                view:
-                    user_block:             mytemplate.twig.html
-                # form related theme templates => this feature need to be implemented by the Persistency layer of each Admin Bundle
-                form:   ['MyTheme.twig.html', 'MySecondTheme.twig.html']
-                filter: ['MyTheme.twig.html', 'MySecondTheme.twig.html']
+With these settings you will be able to change default services and templates used by the admin instances.
 
-With these settings you will be able to change default services and templates used by the admin instance.
+If you need to override the service of a specific admin, you can do it during the service declaration:
+
+.. code-block:: yaml
+
+    # config/services.yaml
+
+    services:
+        admin.blog_post:
+            class: App\Admin\BlogPostAdmin
+            arguments: [~, App\Entity\BlogPost, ~]
+            tags:
+                - name: sonata.admin
+                  manager_type: orm
+                  label: 'Blog post'
+                  label_translator_strategy: sonata.admin.label.strategy.native
+                  route_builder: sonata.admin.route.path_info
+                  pager_type: simple
+                  # and so on