title: Problem using simple_permissions in my project ios & android
body: <p>Im getting this error, when i added package to pubspec.yaml</p>
  
  <pre><code>Launching lib/main.dart on iPhone 7 Plus in debug mode...
  Xcode build done.                                            2.6s
  Failed to build iOS app
  Error output from Xcode build:
  ↳
      ** BUILD FAILED **
  Xcode's output:
  ↳
      === BUILD TARGET url_launcher OF PROJECT Pods WITH CONFIGURATION Debug ===
      /Users/zimbronapps/flutter/.pub-cache/hosted/pub.dartlang.org/simple_permissions-0.1.9/ios/Classes/SimplePermissionsPlugin.m:2:9: fatal error: 'simple_permissions/simple_permissions-Swift.h' file not found
  </code></pre>
  
  <p>I need to use simple_permission for android version</p>
  
  <p>pubspec.yaml in the next code box, i need to write more text, because i cant add it jeje, can some one help me pleasE?</p>
  
  <pre><code>name: myapp
  description: A new Flutter project.
  
  version: 1.0.0+1
  
  environment:
    sdk: "&gt;=2.0.0-dev.68.0 &lt;3.0.0"
  
  dependencies:
    flutter:
      sdk: flutter
  
    cupertino_icons: ^0.1.2
    launch_review: ^1.0.1
    url_launcher: ^5.0.1
    share: ^0.6.0+1
    shared_preferences: ^0.5.0
    flutter_sound: ^1.3.1
    path_provider: ^0.4.1
    permission: ^0.1.1 
    audioplayers: ^0.8.1
    firebase_admob: ^0.8.0+1
  
  dev_dependencies:
    flutter_test:
      sdk: flutter
  
  
  flutter:
  
    uses-material-design: true
  
    assets:
     - ./assets/drawable/
     - ./assets/raw/
  </code></pre>
  
  <p>this is my pubspec.yaml</p>