initial pre-viable version of watch app

Workouts/_ATTIC_/Cepo/NavigationStackChecker.swift

@@ -0,0 +1,15 @@
+import SwiftUI
+
+struct NavigationStackChecker: UIViewControllerRepresentable {
+    @Binding var isInside: Bool
+
+    func makeUIViewController(context: Context) -> UIViewController {
+        let viewController = UIViewController()
+        DispatchQueue.main.async {
+            self.isInside = viewController.navigationController != nil
+        }
+        return viewController
+    }
+
+    func updateUIViewController(_ uiViewController: UIViewController, context: Context) {}
+}