add param in config file

config/config.yml

@@ -10,6 +10,8 @@ common:
       store: inmemory
     replication_factor: 1
   path_prefix: /loki
+  limits_config:
+    volume_enable: true
 
 schema_config:
   configs:
@@ -25,5 +27,3 @@ storage_config:
   filesystem:
     directory: /loki/chunks
 
-limits_config:
-  volume_enable: true