Provide default configuration for Config Cache

config/autoload/local.php.dist

@@ -12,5 +12,13 @@
  */
 
 return array(
+    // Whether or not to enable a configuration cache.
+    // If enabled, the merged configuration will be cached and used in
+    // subsequent requests.
+    //'config_cache_enabled' => false,
+    // The key used to create the configuration cache file name.
+    //'config_cache_key' => 'module_config_cache',
+    // The path in which to cache merged configuration.
+    //'cache_dir' =>  './data/cache',
     // ...
 );