Add nomad to list of projects using kin-openapi in README (#413)

README.md

@@ -19,6 +19,7 @@ Here's some projects that depend on _kin-openapi_:
   * [github.com/dunglas/vulcain](https://github.com/dunglas/vulcain) - "Use HTTP/2 Server Push to create fast and idiomatic client-driven REST APIs"
   * [github.com/danielgtaylor/restish](https://github.com/danielgtaylor/restish) - "...a CLI for interacting with REST-ish HTTP APIs with some nice features built-in"
   * [github.com/goadesign/goa](https://github.com/goadesign/goa) - "Goa is a framework for building micro-services and APIs in Go using a unique design-first approach."
+  * [github.com/hashicorp/nomad-openapi](https://github.com/hashicorp/nomad-openapi) - "Nomad is an easy-to-use, flexible, and performant workload orchestrator that can deploy a mix of microservice, batch, containerized, and non-containerized applications. Nomad is easy to operate and scale and has native Consul and Vault integrations."
   * (Feel free to add your project by [creating an issue](https://github.com/getkin/kin-openapi/issues/new) or a pull request)
 
 ## Alternatives