List prominent GraphQL service providers on the code page

Author: Sonicrida

site/code/index.html.js

@@ -406,6 +406,13 @@ Executor.execute(schema, query) map println
   - [libgraphqlparser](https://github.com/graphql/libgraphqlparser): A GraphQL query language parser in C++ with C and C++ APIs.
   - [Graphql Language Service](https://github.com/graphql/graphql-language-service): An interface for building GraphQL language services for IDEs (diagnostics, autocomplete etc).
 
+## Services
+
+  - [Graphcool](https://www.graph.cool) ([github](https://github.com/graphcool)): A BaaS (Backend as a Service) providing a GraphQL backend for your applications with a powerful web ui for managing your database and stored data
+  - [Scaphold](https://scaphold.io) ([github](https://github.com/scaphold-io)): A BaaS (Backend as a Service) that sets you up with a GraphQL backend for your applications with many different integrations
+  - [Reindex](https://www.reindex.io/baas/) ([github](https://github.com/reindexio/reindex-js)): A BaaS (Backend as a Service) that sets you up with a GraphQL backend targeted at applications using React and Relay
+  - [GraphCMS](https://graphcms.com/): A BaaS (Backend as a Service) that sets you up with a GraphQL backend as well as tools for content editors to work with the stored data
+
 ## More Stuff
 
   - [awesome-graphql](https://github.com/chentsulin/awesome-graphql): A fantastic community maintained collection of libraries, resources, and more.