Update README.md

Author: nqxcode

README.md

@@ -72,10 +72,10 @@ In published config file add descriptions for models which need to be indexed, f
 	],
 
 	// ...
-	
 ],
 
 ```
+
 ### Indexing of dynamic fields
 You can also index values of **optional fields** (dynamic fields). For enable indexing for optional fields:
 
@@ -215,6 +215,16 @@ This filters can be deleted or replaced with others.
 
 ```
 
+### Enable queue 
+
+```php
+
+'queue' => 'search', // Define queue that will be used for jobs of search index updating.
+
+'chunk' => 50, // Chunk size for models, use in search index rebuilding.
+
+```
+
 ## Usage
 ### Artisan commands
 #### Initialize or rebuild search index