title: Done button invisible in IQkeyboardManager library
body: <p>I have used <code>IQKeyboardManager</code> library in my app. i installed <code>IQKeyboardManager</code> via cocoapods. Done button is not showing up on each keyboard. that is invisible.</p>
  
  <p>here below my code that i have set in <code>AppDelegate.swift</code> file.</p>
  
  <pre><code>IQKeyboardManager.shared().isEnabled = true
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/59nQU.png" rel="noreferrer"><img src="https://i.stack.imgur.com/59nQU.png" alt="enter image description here"></a></p>