如何添加我的rails设计登录/注册到React Native应用程序？

I've built out a React Native app which uses my Rails app as a back end, and I have gotten to the point where I need to get authentication working. The user needs to be able to log in the same way they would via the rails app which uses Devise. I am unclear how to implement that in React Native/iOS.I've built out a React Native app which uses my