add Workout, Exercise and their Library, Add, and Details views

WorkoutsPlus/Workout/WorkoutDetail.swift

@@ -0,0 +1,57 @@
+//
+//  WorkoutDetailsView.swift
+//  WorkoutsPlus
+//
+//  Created by Felix Förtsch on 10.08.24.
+//
+
+import SwiftUI
+import SwiftData
+
+struct WorkoutDetail: View {
+		@Environment(\.dismiss) private var dismiss
+		@Environment(\.modelContext) private var modelContext
+		
+		@Bindable var workout: Workout
+		
+		var body: some View {
+				
+				Form {
+						Section(header: Text("Workout Name")) {
+								TextField("Workout Name", text: $workout.name)
+						}
+						Section(header: Text("Exercises")) {
+								List {
+										ForEach(workout.exercises) { exercise in
+												Text(exercise.name)
+										}
+								}
+						}
+				}
+				.navigationBarTitle("Edit \(workout.name)")
+				.toolbar {
+						ToolbarItem(placement: .confirmationAction) {
+								Button("Done") {
+										dismiss()
+								}
+						}
+				}
+		}
+		
+		private func saveWorkout() {
+				if modelContext.hasChanges {
+						do {
+								try modelContext.save()
+						} catch {
+								print("Failed to save workout: \(error.localizedDescription)")
+						}
+				}
+		}
+}
+
+#Preview {
+		NavigationStack {
+				WorkoutDetail(workout: Workout.sampleData[0])
+						.modelContainer(SampleData.shared.modelContainer)
+		}
+}