title: FBSDKShareKit.h' file not found xcode unity
body: <p>im trying to build unity project to ios device</p>
  <p>everything was working good before i installed FaceBookSDK</p>
  <p>now i always get this error:</p>
  <p><a href="https://i.stack.imgur.com/aDyco.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aDyco.png" alt="error" /></a></p>
  <p>i was trying some solutions over the internet including <a href="https://github.com/facebook/facebook-sdk-for-unity/issues/578" rel="nofollow noreferrer">this</a>
  none of them helped me</p>
  <p>unity 2020.3.18f1
  FacebookSDK 11.0.0</p>
  <p>any help?</p>