introspectSplitViewController, introspectColorWell, introspectButton,…

… introspectTabView, + fixes

Bump version to 0.1.3

SPM: iOS 11, tvOS 11, macOS 10.13

Fix .introspectScrollView() on iOS 14, catalyst support, fixed availa…

…bility annotations

macOS and tvOS support

SegmentedControl and ViewController

Allow introspection of NavigationView and TabView directly

Fix customization on root elements

Use .overlay instead of .background, fixes an issue with navigation +…

… table views