Added krakenD

Contributed by adding krakenD into the API Gateway

README.md

@@ -1341,6 +1341,7 @@ _See [awesome-sysadmin/Continuous Integration & Continuous Deployment](https://g
 - [Fusio](http://www.fusio-project.org/) - Open-source API management platform which helps to build and manage REST APIs. ([Demo](http://fusio-project.org/demo), [Source Code](https://github.com/apioo/fusio)) `AGPL-3.0` `PHP`
 - [Hapttic](https://github.com/jsoendermann/hapttic) - Simple HTTP server that forwards all requests to a shell script to handle webhooks you receive. `Apache-2.0` `Go`
 - [Kong](https://konghq.com/kong/) - The World’s Most Popular Open Source Microservice API Gateway and Platform. ([Source Code](https://github.com/Kong/kong)) `Apache-2.0` `Lua`
+- [KrakenD](https://www.krakend.io/) - KrakenD - Open source High-Performance API Gateway. ([Source Code](https://github.com/devopsfaith/krakend)) `Apache-2.0` `Go`
 - [Para](http://www.paraio.org) - Flexible and modular backend framework/server for object persistence, API development and authentication. ([Source Code](https://github.com/erudika/para)) `Apache-2.0` `Java`
 - [Tyk](https://tyk.io) - Fast and scalable open source API Gateway. Out of the box, Tyk offers an API Management Platform with an API Gateway, API Analytics, Developer Portal and API Management Dashboard. ([Source Code](https://github.com/TykTechnologies/tyk)) `MPL-2.0` `Go`