add apple tv app

iphone/Werkout_ios/APIModels/Muscle.swift

@@ -0,0 +1,20 @@
+//
+//  Muscle.swift
+//  Werkout_ios
+//
+//  Created by Trey Tartt on 6/15/23.
+//
+
+import Foundation
+
+struct Muscle: Codable, Identifiable, Equatable {
+    let id: Int
+    let muscle: Int?
+    let name, createdAt, updatedAt: String
+    
+    enum CodingKeys: String, CodingKey {
+        case id, name, muscle
+        case createdAt = "created_at"
+        case updatedAt = "updated_at"
+    }
+}