title: Adding Firebase as dependency in my own created pod
body: <p>I have a pod that needs firebase </p>
  
  <p>Whenever I add </p>
  
  <pre><code>spec.dependency 'Firebase/Analytics'
  spec.dependency 'Firebase/Database'
  
  </code></pre>
  
  <p>It work, tho it has a runtime error, it's asking for the google plist. How do I attach the plist to my pod?</p>