Update README.md

README.md

@@ -35,6 +35,7 @@ and blogged about by cloud infrastructure providers like:
 * [Microsoft](https://microsoft.github.io/code-with-engineering-playbook/automated-testing/shadow-testing/)
 * [Google](https://cloud.google.com/architecture/application-deployment-and-testing-strategies#shadow_test_pattern)
 * [Alibaba Cloud](https://www.alibabacloud.com/blog/traffic-management-with-istio-3-traffic-comparison-analysis-based-on-istio_594545)
+* [KrakenD](https://www.krakend.io/blog/migrate-aws-api-gateway-to-krakend/)
 * [Datawire](https://blog.getambassador.io/next-level-testing-with-an-api-gateway-and-continuous-delivery-9cbb9c4564b5)
 
 Visit our [engineering blog](https://content.sn126.com/blog) to keep up with the latest developments in Diffy.