implement multi stopwatch

MultiChrono/StopwatchRow.swift

@@ -0,0 +1,56 @@
+//
+//  StopwatchRow.swift
+//  MultiChrono
+//
+//  Created by Beatrice Dellacà on 26/01/26.
+//
+
+import SwiftUI
+
+struct StopwatchRow: View {
+    @ObservedObject var stopwatch: Stopwatch
+    var onDelete: () -> Void
+    
+    var body: some View {
+        HStack {
+            VStack(alignment: .leading) {
+                Text(stopwatch.name)
+                    .font(.headline)
+                Text("\(stopwatch.formattedTime)")
+                    .font(.largeTitle)
+                    .monospacedDigit()
+            }
+            
+            Spacer()
+            
+            Button(action: {
+                if stopwatch.isRunning {
+                    stopwatch.pause()
+                } else {
+                    stopwatch.start()
+                }
+            }) {
+                Image(systemName: stopwatch.isRunning ? "pause.circle.fill" : "play.circle.fill")
+                    .resizable()
+                    .frame(width: 44, height: 44)
+                    .foregroundStyle(stopwatch.isRunning ? .orange : .green)
+            }
+            .buttonStyle(PlainButtonStyle()) 
+            
+            Button(action: onDelete) {
+                Image(systemName: "trash")
+                    .resizable()
+                    .frame(width: 24, height: 24)
+                    .foregroundColor(.red)
+            }
+            .buttonStyle(PlainButtonStyle())
+            .padding(.leading, 10)
+
+        }
+        .padding(.vertical, 8)
+    }
+}
+
+#Preview {
+    StopwatchRow(stopwatch: Stopwatch(name: "Test Timer"), onDelete: {})
+}