fix(docs): switch to googleapis.dev link for reference docs (#1761)

README.md

@@ -106,7 +106,7 @@ runSample().catch(console.error);
 There are a lot of [samples](https://github.com/googleapis/google-api-nodejs-client/tree/master/samples) 🤗  If you're trying to figure out how to use an API ... look there first! If there's a sample you need missing, feel free to file an [issue][bugs].
 
 ### API Reference
-This library has a full set of [API Reference Documentation](https://apis-nodejs.firebaseapp.com/). This documentation is auto-generated, and the location may change.
+This library has a full set of [API Reference Documentation](https://googleapis.dev/nodejs/googleapis/latest). This documentation is auto-generated, and the location may change.
 
 ## Authentication and authorization
 There are three primary ways to authenticate to Google APIs. Some service support all authentication methods, other may only support one or two.