Mention Pact

Author: NoriSte

README.md

@@ -170,7 +170,7 @@ some UI utilities that make easy to use them as a development tool.
 
 ## ![✔] 3.2 Test the server schema
 
-**TL;DR:** A lot of times, the front-end application breaks because of a change in the back-end. Ask your back-end colleagues to allow you to export every schema that describes the back-end entities and the communication with the front-end. Some examples could be the GraphQL schema, the ElasticSearch mapping, a Postman configuration, etc. more in general, everything that can warn you that something changed in the back-end. Every back-end change could impact the front-end and you must discover it as soonest as possible. You can keep the schema checked with a simple [snapshot test](https://jestjs.io/docs/en/snapshot-testing).
+**TL;DR:** A lot of times, the front-end application breaks because of a change in the back-end. Ask your back-end colleagues to allow you to export every schema that describes the back-end entities and the communication with the front-end. Some examples could be the GraphQL schema, the TypeScript types, the ElasticSearch mapping, the Pact contract, a Postman configuration etc. more in general, everything that can warn you that something changed in the back-end. Every back-end change could impact the front-end and you must discover it as soonest as possible.
 
 **Otherwise:** You could miss some back-end change and your front-end application could break inadvertently.