Added Graphql Birdseye! :D (chentsulin#534)

* Added Graphql Birdseye

* Updated GraphQL Birdseye link

Author: Raj K Singh

README.md

@@ -476,6 +476,7 @@ for the Angel framework.
 * [SwitchQL](https://github.com/SwitchQL/SwitchQL) - Automated transcription of database schemas into GraphQL schemas, resolvers, queries, and mutations
 * [VulcanJS](http://vulcanjs.org) - The full-stack React+GraphQL framework
 * [Apollo Client Developer Tools](https://github.com/apollographql/apollo-client-devtools) - GraphQL debugging tools for Apollo Client in the Chrome developer console
+* [GraphQL Birdseye](https://birdseye.novvum.io) – View any GraphQL schema as a dynamic and interactive graph.
 
 <a name="databases" />