Setup instructions for AugmentedFacesExample app.

To use with CocoaPods:
1) Run pod install.
2) Open AugmentedFacesExample.xcworkspace.
3) Change bundle ID, so that you can sign the app with your team.

To use with Swift Package Manager:
1) Open AugmentedFacesExample.xcodeproj.
2) Add a dependency on the 'ARCoreAugmentedFaces' product of the ARCore package.
3) Change bundle ID, so that you can sign the app with your team.