TASK: Mention Options HTTP Component in README

README.md

@@ -13,6 +13,7 @@ It is a wrapper for the [PHP port of webonyx](https://github.com/webonyx/graphql
   the GraphQL API
 * A `StandardController` that renders the [GraphiQL IDE](https://github.com/graphql/graphiql) and acts as dispatcher
   for API calls
+* A HTTP Component that responds to `OPTIONS` requests correctly (required for CORS preflight requests for example)
 
 ## Installation
 
@@ -104,5 +105,4 @@ activate routes in your global `Routes.yaml` file:
 
 ![](graphiql.png)
 
-
 For a more advanced example, have a look at the [Neos Content Repository implementation](https://github.com/bwaidelich/Wwwision.Neos.GraphQL)