Proper 1.0 release for iOS. Pending App Store submission.

ios/OpenClimb/Models/ActivityAttributes.swift

@@ -0,0 +1,19 @@
+import ActivityKit
+import Foundation
+
+struct SessionActivityAttributes: ActivityAttributes {
+    public struct ContentState: Codable, Hashable {
+        var elapsed: TimeInterval
+        var totalAttempts: Int
+        var completedProblems: Int
+    }
+
+    var gymName: String
+    var startTime: Date
+}
+
+extension SessionActivityAttributes {
+    static var preview: SessionActivityAttributes {
+        SessionActivityAttributes(gymName: "Summit Climbing", startTime: Date())
+    }
+}