add slug for tags

app/config/config.yml

@@ -90,6 +90,14 @@ doctrine:
             default:
                 auto_mapping: true
 
+stof_doctrine_extensions:
+    default_locale: "%locale%"
+    translation_fallback: true
+    orm:
+        default:
+            tree: true
+            sluggable: true
+
 # Swiftmailer Configuration
 swiftmailer:
     transport: "%mailer_transport%"
@@ -119,6 +127,7 @@ fos_rest:
 nelmio_api_doc:
     sandbox:
         enabled: false
+    name: wallabag API documentation
 
 nelmio_cors:
     defaults: