title: Role based authentication in React Native app using Firebase
body: <p>Currently using Firebase in my react native app. I have to manage two roles for admin and user. I am not able to manage roles in firebase authentication here is the code in which i am simply registering a user. Any one please help regarding managing roles. Thanks</p>
  <pre><code> register: async (email, password) =&gt; {
            try {
              await auth().createUserWithEmailAndPassword(email, password);
            } catch (e) {
              console.log(e);
            }
          },
  </code></pre>