title: Flutter web create issue in existing flutter app
body: <p>I already have the flutter app, now I am adding support to flutter Web following <a href="https://flutter.dev/docs/get-started/web" rel="noreferrer">this</a> doc. I am getting the error on <code>flutter create .</code></p>
  <pre><code>Ambiguous organization in existing files: {com.app.android.fluttermodule,com.app.android.flutterModule}. The --org command line argument must be
  specified to recreate project.
  </code></pre>
  <p>I have mentioned <code>pubsec.yml</code></p>
  <pre><code>  module:
      androidPackage: com.app.android.fluttermodule
      iosBundleIdentifier: com.app.android.flutterModule
  </code></pre>