UI update, almost complete support of Taskbar, classes separation and organization

Handlers/SnapcastHandler.cs

@@ -0,0 +1,41 @@
+using System.Diagnostics;
+
+namespace unison
+{
+    public class SnapcastHandler
+    {
+        private readonly Process _snapcast = new();
+        public bool Started { get; private set; }
+        private string _snapcastVersion = "snapclient_0.25.0-1_win64";
+
+        public SnapcastHandler()
+        {
+        }
+
+        public void Start(string host)
+        {
+            if (!Started)
+            {
+                _snapcast.StartInfo.FileName = _snapcastVersion + @"\snapclient.exe";
+                _snapcast.StartInfo.Arguments = "--host " + host;
+                _snapcast.StartInfo.CreateNoWindow = true;
+                _snapcast.Start();
+                Started = true;
+            }
+            else
+            {
+                _snapcast.Kill();
+                Started = false;
+            }
+        }
+
+        public void Stop()
+        {
+            if (Started)
+            {
+                _snapcast.Kill();
+                Started = false;
+            }
+        }
+    }
+}