Add Apollo Optics to the list of services

Author: Sonicrida

site/code/index.html.js

@@ -412,6 +412,7 @@ Executor.execute(schema, query) map println
   - [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
+  - [Apollo Optics](http://www.apollodata.com/optics/): A service for monitoring the performance and usage of your GraphQL backend
 
 ## More Stuff