title: Error while registering a new user on Firebase
body: <p>When I try to register a new user, I get an error saying value of type <code>'FIRDatabaseReference' has no member 'createuser'</code>. See image below. </p>
  
  <pre><code>FIRAuth.auth()?.createUserWithEmail(&lt;email: String&gt;, password: &lt;String&gt;, completion: &lt;FIRAuthResultCallback?(FIRUser?, NSError?) -&gt; Void#&gt;)
  </code></pre>
  
  <p>Here is a screenshot of how the code looks like picture of the code and the imageview:</p>
  
  <p><img src="https://i.stack.imgur.com/qRV3O.png" alt="enter image description here"></p>