first impl for index action

src/Bundle/ChillMainBundle/config/services/pagination.yaml

@@ -6,6 +6,7 @@ services:
             - "@request_stack"
             - "@router"
             - "%chill_main.pagination.item_per_page%"
+
     Chill\MainBundle\Pagination\PaginatorFactory: '@chill_main.paginator_factory'
             
     chill_main.paginator.twig_extensions:

src/Bundle/ChillMainBundle/config/services/serializer.yaml

@@ -11,3 +11,7 @@ services:
     Chill\MainBundle\Serializer\Normalizer\UserNormalizer:
         tags:
             - { name: 'serializer.normalizer', priority: 64 }
+
+    Chill\MainBundle\Serializer\Normalizer\CollectionNormalizer:
+        tags:
+            - { name: 'serializer.normalizer', priority: 64 }