title: Error in firebase.init: ReferenceError: Can't find variable: FIROptions
body: <p>I added "nativescript-plugin-firebase": plugin. I getting error running on ios simulator, but works fine in Android</p>
  
  <pre><code>firebase.init({}).then(() =&gt; {console.log("firebase.init done");
  },
  error =&gt; {
    console.log(`firebase.init error: ${error}`);
  },
  )
  </code></pre>