add ActiveWorkoutSession logic, refactor Home, add additional sample data, add isDebug

WorkoutsPlus/Components/TimerView.swift

@@ -0,0 +1,32 @@
+//
+//  TimerView.swift
+//  WorkoutsPlus
+//
+//  Created by Felix Förtsch on 12.09.24.
+//
+
+import SwiftUI
+
+struct TimerView: View {
+		@Binding var isActive: Bool
+		@State private var time = 0
+		
+		let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
+		
+		var body: some View {
+				Text("\(time)")
+						.onReceive(timer) { _ in
+								if isActive {
+										self.time += 1
+								}
+						}
+						.onDisappear {
+								self.timer.upstream.connect().cancel()
+						}
+		}
+}
+
+
+#Preview {
+		TimerView(isActive: .constant(true))
+}