feat(Mute): Add service to mute default microphone

SoundSwitch/Framework/Audio/Microphone/MicrophoneMuteToggler.cs

@@ -0,0 +1,41 @@
+using System;
+using Serilog;
+using SoundSwitch.Audio.Manager;
+using SoundSwitch.Audio.Manager.Interop.Enum;
+
+namespace SoundSwitch.Framework.Audio.Microphone
+{
+    public class MicrophoneMuteToggler
+    {
+        private readonly AudioSwitcher _switcher;
+
+        public MicrophoneMuteToggler(AudioSwitcher switcher)
+        {
+            _switcher = switcher;
+        }
+
+        /// <summary>
+        /// Toggle mute state for the default microphone
+        /// </summary>
+        /// <param name="deviceId"></param>
+        public void ToggleDefaultMute()
+        {
+            var microphone = _switcher.GetDefaultMmDevice(EDataFlow.eCapture, ERole.eCommunications);
+            if (microphone == null)
+            {
+                Log.Information("Couldn't find a default microphone to toggle mute");
+                return;
+            }
+
+            try
+            {
+               microphone.AudioEndpointVolume.Mute = !microphone.AudioEndpointVolume.Mute;
+            }
+            catch (Exception e)
+            {
+                Log.Error("Couldn't toggle mute on {device}:\n{exception}", microphone.FriendlyName, e);
+            }
+
+        }
+    }
+}