Update README.md

Author: monicalopezgris

README.md

@@ -30,4 +30,5 @@ Visit [key principles document](https://github.com/devonfw/.github/blob/master/k
 - [TODO example](https://github.com/devonfw/devon4node/tree/develop/samples/todo): simple backend example for a TODO management application.
 - [Employee example](https://github.com/devonfw/devon4node/tree/develop/samples/todo): simple backend example for a employee management application.
 - [Components example](https://github.com/devonfw/devon4node/tree/develop/samples/employee): simple backend example which will show you the execution order of the devon4node components.
+- [GraphQL example](https://github.com/devonfw/devon4node/tree/develop/samples/graphql): simple GraphQL example with starter configuration.
 - [My Thai Star](https://github.com/devonfw/my-thai-star/tree/develop/node): realistic example about the management of a restaurant. This example has also a frontend and it is compatible with other devonfw stacks.