examples/simple-chatbot: move clients to client directory

examples/simple-chatbot/client/ios/SimpleChatbot/views/components/MicrophoneView.swift

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+import SwiftUI
+
+struct MicrophoneView: View {
+    var audioLevel: Float // Current audio level
+    var isMuted: Bool // Muted state
+
+    var body: some View {
+        GeometryReader { geometry in
+            let width = geometry.size.width
+            let circleSize = width * 0.9
+            let innerCircleSize = width * 0.82
+            let audioCircleSize = CGFloat(audioLevel) * (width * 0.95)
+
+            ZStack {
+                Circle()
+                    .stroke(Color.gray, lineWidth: 1)
+                    .frame(width: circleSize)
+
+                Circle()
+                    .fill(isMuted ? Color.disabledMic : Color.backgroundCircle)
+                    .frame(width: innerCircleSize)
+
+                if !isMuted {
+                    Circle()
+                        .fill(Color.micVolume)
+                        .opacity(0.5)
+                        .frame(width: audioCircleSize)
+                        .animation(.easeInOut(duration: 0.2), value: audioLevel)
+                }
+
+                Image(systemName: isMuted ? "mic.slash.fill" : "mic.fill")
+                    .resizable()
+                    .scaledToFit()
+                    .frame(width: width * 0.2)
+                    .foregroundColor(.white)
+            }
+            .frame(maxWidth: .infinity, maxHeight: .infinity) // Ensures the ZStack is centered
+        }
+    }
+}
+
+#Preview {
+    MicrophoneView(audioLevel: 1, isMuted: false)
+}