added code examples for consumer-driven-contract tests with Pact

spring-data-rest-associations/README.md

@@ -4,6 +4,8 @@ This repo contains some example code that exposes some Spring Data repositories
 via Spring Data REST to show how to handle relationships between JPA entities
 via the REST API.
 
+## Companion Blog Post
+
 The companion blog post with more details can be found [here](https://reflectoring.io/relations-with-spring-data-rest/).
 
 ## Running the application