readme updated

README.md

@@ -52,6 +52,15 @@ RakeUi.configuration do |config|
 end
 ```
 
+### Enabling ActiveStorage
+In order  to turn on/off active_storage for RakeUI gem, add configuration in initializer as  follows
+
+```rb
+RakeUi.configuration do |config|
+  config.active_storage = false
+end
+```
+
 We recommend adding guards in your route to ensure that the proper authentication is in place to ensure that users are authenticated so that if this were ever to be rendered in production, you would be covered.  The best way for that is [router constraints](https://guides.rubyonrails.org/routing.html#specifying-constraints)
 
 ## Testing